UNIT VII THE APPLICATIONS

UNIT VII THE APPLICATIONS OF MAGNETISM AND ELEC- TRICITY HAVE GREATLY MODIFIED THE ACTIVITIES OF MANKIND INTRODUCTION TO UNIT VII No better illustration of the impact of Science on the activities of mankind can be found than magnetism and electricity. Suppose that all the sources of electric power were suddenly and permanently cut off; the results would be similar to those experienced in a large city in one of those very rare occurrences when the power is shut ofi for a few hours due to damage produced by an electrical storm. Streetcars cease to run, motion-picture theaters are darkened, stores and ofifices must close, elevators cannot operate, water cannot be pumped through the city's distribution system, and, in general, man would find himself reduced to the life of a backwoods farm, except that he would not be equipped with candles or kerosene lamps and would not have his own private well or spring to furnish water. Modern civilization is built around electricity. Without electricity modern factories could not run; the radio, the telephone, and the telegraph could not exist. Many modern homes would not be prepared for heating, refrigeration, lighting, cooking, washing, ironing, cleaning, or ventilation if the electricity were to be cut off. Even motorcars and airplanes depend on electrical ignition systems. In this Unit we shall study the development of knowledge concerning electricity and magnetism and show how it has been applied in the service of mankind. The revolution in living produced by the application of electricity has, for the most part, taken place during the lifetime of our parents and has become widespread within the lifetime of most of the freshmen in college today. This can be appreciated best by reference to the fact that the wholesale sale of energy increased from 3,254,000,000 kilowatt-hours in 1912 to 44,326,000,000 kilowatt-hours in 1929, or 1360 per cent. Since 1929 the consumption of electric energy has been steadily increasing. 475

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Digitized by the Internet Archive i
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THE MACMILLAN COMPANY NEW YORK •
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Revised Edition Copyrighted, 1943.
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VI PREFACE the origin and evolution
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viii PREFACK which the student sele
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Preface Acknowledgments CONTENTS PA
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CONTENTS Section 7. Coal Has Become
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; INTRODUCTION In so far as man dev
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4 THE INTELLIGENT SOLUTION OF PROBL
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6 THE INTELLIGENT SOLUTION OF PROBL
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. 8 THE INTELLIGENT SOLUTION OF PRO
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10 THE INTELLIGENT SOLUTION OF PROB
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12 THE INTELLIGENT SOLUTION OF PROB
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14 THE INTELLIGENT SOLUTION OF PROB
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16 THE INTELLIGENT SOLUTION OF PROB
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18 THE INTELLIGENT SOLUTION OF PROB
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UNIT I SECTION 3 THE SUPREME CONTRI
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22 THE INTELLIGENT SOLUTION OF PROB
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24 THE INTELLIGENT SOLUTION OF PROB
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26 THE INTELLIGENT SOLUTION OF PROB
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UNIT I SECTION 4 OBSERVATIONS MUST
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30 THE INTELLIGENT SOLUTION OF PROB
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32 THE INTELLIGENT SOLUTION OF PROB
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34 THE INTELLIGENT SOLUTION OF PROB
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36 THE INTELLIGENT SOLUTION OF PROB
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38 THE INTELLIGENT SOLUTION OP' PRO
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40 THE INTELLIGENT SOLUTION OF PROB
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UNIT I SECTION 6 STRAIGHT THINKING
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44 THE INTELLIGENT SOLUTION OF PROB
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46 THK INTFLLIGENT SOLUTION OF PROB
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48 THE INTELLIGENT SOLUTION OF PROB
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UNIT II THE UNIVERSE IS A VAST SYST
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54 THE UNIVERSE A VAST SYSTEM OF PA
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50 THE UNIVERSE A VAST SYSTEM OF PA
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58 THE UNIVERSE A VAST SYSTEM OF PA
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60 THE UNIVERSE A VAST SYSTEM OF PA
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62 THE UNIVERSE A VAST SYSTEM OF PA
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64 THE UNIVERSE A VAST SYSTEM OF PA
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66 THE UNIVERSE A VAST SYSTEM OF PA
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08 THE UNIVERSE A VAST SYSTEM OF PA
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70 THE UNIVERSE A VAST SYSTEM OF PA
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11 THE UNIVERSE A VAST SYSTEM OF PA
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74 THK UNIVKRSK A VAST SN'STKM OF P
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76 THK rMX'ERSE A VAST SYSTEM OF PA
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78 THE UNIVERSE A VAST SYSTEM OF PA
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80 THE UNIVERSE A VAST SYSTEM OF PA
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82 THE UNIVERSE A VAST SYSTEM OF PA
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84 THE UNIVERSE A VAST SYSTEM OF PA
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UNIT II SECTION 5 THE EARTH RECEIVE
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; 88 THE UNIVERSE A VAST SYSTEM OF
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91) THE UNIVERSE A VAST SYSTEM OF P
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92 THE UNIVERSE A VAST SYSTEM OF PA
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94 THE UNIVERSE A VAST SYSTEM OF PA
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96 THE UNIVERSE A VAST SYSTEM OF PA
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98 THE UNI\'i:i
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100 THE UNIVERSE A VAST SYSTEM OF P
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102 THK I'MX i:KSh: A VAST SWSri-.M
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104 THE UNIVERSE A VAST SYSTEM OF P
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106 THK UNIX'KRSK A \'AST SYSTEM OF
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108 THE UNIVERSE A VAST SYSTEM OF P
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no THE UNIVERSE A VAST SYSTEM OF PA
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; 112 THE UNIVERSE A VAST SYSTEM OF
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114 THE UNIVERSE A VAST SYSTEM OF P
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116 THE UNIVERSE A VAST SYSTEM OF P
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UNIT II SECTION 9 ASTRONOMICAL MEAS
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120 THE UNIV^ERSE A VAST SYSTEM OF
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122 THK UNIVERSE A VAST SYSTEM OF P
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124 THE UNIVERSE A VAST SYSTEM OF P
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126 THE EARTH AS MAN'S ABODE coolin
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128 THE EARTH AS MAN'S ABODE As evi
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130 THE EARTH AS MAN'S ABODE It is
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UNIT III SECTION 2 THE NATURE OF TH
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l.U THE EARTH AS MAN'S ABODE of the
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136 THE EARTH AS MAN'S ABODE Inasmu
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UNIT III SECTION 3 THE PRINCIPAL AG
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140 THE EARTH AS MAN'S ABODE China
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142 THE EARTH AS MAN'S ABODE within
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144 THE EARTH AS MAN'S ABODE Zealan
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146 THE EARTH AS MAN'S ABODE changi
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UNIT III SECTION 4 THE CHARACTERIST
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150 THE EARTH AS MAN'S ABODE stream
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152 THE EARTH AS MAN'S ABODE majori
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154 THE EARTH AS MAN'S ABODE Glacie
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156 THE EARTH AS MAN'S ABODE 1891,
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158 THE EARTH AS MAN'S ABODE type o
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16() THK EARTH AS MAN'S ABOUK The t
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162 THK EARTH AS MAN'S ABODF: River
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164 THE EARTH AS MAN'S ABODE Tambor
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166 THK EARTH AS MAN'S ABODE STUDY
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168 THE EARTH AS MAN'S ABODE study
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170 THK KARTH AS MAN'S ABODE fossil
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172 THE EARTH AS MAN'S ABODE The Hi
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174 THE EARTH AS MAN'S ABODE Synops
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176 THE EARTH AS MAN'S ABODE the we
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; UNIT III SECTION 7 GEOLOGICAL PRO
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180 THE EARTH AS MAN'S ABODE minera
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182 THE EARTH AS MAN'S ABODE presen
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UNIT III SECTION 8 GEOLOGICAL PROCE
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186 THE EARTH AS MAN'S ABODE ore (b
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188 THE EARTH AS MAN'S ABODE The ma
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190 THE EARTH AS MAN'S ABODE sedime
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' U. S. Soil Conservation Service.
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194 thf: karth as man's abode act o
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196 THK KARTH AS MAN'S ABODK The Na
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IW Tin: KARTH AS MAN'S ABODE built
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200 THE EARTH AS MAN'S ABODE Man's
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202 THE EARTH AS MAN'S ABODI-: full
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UNIT IV SECTION 1 MATTER IN THE GAS
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MATTER IN THE GASEOUS STATE 207 The
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MATTER IN THE GASEOUS STATE 209 by
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MATTER IN THE GASEOUS STATE 211 eas
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UNIT IV SECTION 2 A KNOWLEDGE OF TH
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THE PROPERTIES OF LIQUIDS 215 liqui
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THE PROPERTIES OF LIQUIDS 217 The s
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UNIT IV SECTION 3 THE PHYSICAL PROP
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THE PHYSICAL PROPERTIES OF SOLIDS 2
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THE PHYSICAL PROPERTIES OF SOLIDS 2
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THE PHYSICAL PROPERTIES OF SOLIDS 2
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THE ABSORPTION OR EVOLUTION OF HEAT
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THE ABSORPTION OR EVOLUTION OF HEAT
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THE ABSORPTION OR EVOLUTION OF HEAT
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UNIT IV SECTION 5 PHYSICAL PROPERTI
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THE KINETIC- MOLECULAR THEORY 235 2
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THE KINETIC-MOLECULAR THEORY 237 Th
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THE KINETIC-MOLECULAR THEORY 239 cu
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REGULARITIES OF SOLUTIONS 241 3. Co
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supersaturated solutions. REGULARIT
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REGULARITIES OF SOLUTIONS 245 stanc
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REGULARITIES OF SOLUTIONS 247 tant
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REGULARITIES OF SOLUTIONS 249 4. Wh
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CLIMATE AND WEATHER 251 vary becaus
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CLIMATE AND WEATHER 253 orbit. For
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CLIMATE AND WEATHER 255 refers to t
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CLIMATE AND WEATHER 257 high suscep
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CLIMATE AND WEATHER 259 twenty-five
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CLIMATE AND WEATHER 261 per hour. A
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CLIMATE AND WEATHER 263 6. Explain
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WEATHER-FORECASTING 265 The cup ane
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WEATHER-FORECASTING 267 ditions. Dr
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WEATHER-FORECASTING 269 before turn
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WEATHER-FORECASTING 271 Air-mass An
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which ice will form. WEATHER-FORECA
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AIR CONDITIONING 275 Paul then expe
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AIR CONDITIONING 277 is merely a de
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Silica gel is AIR CONDITIONING 279
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AIR CONDITIONING 281 operated by th
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AIR CONDITIONING 283 Heat conductiv
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AIR CONDITIONING 285 quite comforta
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UNIT V MAN HAS DISCOVERED AND HARNE
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UNIT V SECTION 1 ENERGY MANIFESTS I
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ENERGY MANIFESTS ITSELF IN MANY FOR
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ENERGY MANIFESTS ITSELF IN MANY FOR
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ENERGY MANIFESTS ITSELF IN MANY FOR
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UNIT V SECTION 2 THE PRUDENT UTILIZ
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THE CONSERVATION OF OUR ENERGY RESO
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THE CONSERVATION OF OUR ENERGY RESO
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THE CONSERVATION OF OUR ENERGY RESO
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THE CONSERVATION OF OUR ENERGY RESO
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UNIT V SECTION 3' MODERN MACHINES H
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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MACHINES HAVE RAISED LIVING-STANDAR
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TRANSPORTATION HAS BEEN REVOLUTIONI
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TRANSPORTATION HAS BEEN REVOLUTIONI
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TRANSPORTATION HAS BEEN REVOLUTIONI
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THE INTERNAL-COMBUSTION ENGINE 329
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THE INTERNAL-COMBUSTION ENGINE 331
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THE INTERNAL-COMBUSTION ENGINE 333
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THE INTERNAL-COMBUSTION ENGINE 335
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THE INTERNAL-COMBUSTION ENGINE 337
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THE INTERNAL-COMBUSTION ENGINE 339
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UNIT V SECTION 6 THE AUTOMOBILE TYP
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THE AUTOMOBILE 343 consolidations o
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THE AUTOMOBILE 345 same survey show
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THE AUTOMOBILE 347 tenance costs in
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THE AUTOMOBILE 349 Buying oil on th
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THE AUTOMOBILE 351 STUDY QUESTIONS
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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AIRPLANE A TRIUMPH OF MODERN SCIENC
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UNIT V SECTION 8 FLYING AN AIRPLANE
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AERODYNAMICS 367 Weight, i.e.^ a me
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AERODYNAMICS 369 The Venturi tube i
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AERODYNAMICS 371 An airfoil is any
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AERODYNAMICS 373 right. After attai
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AERODYNAMICS 375 An Airplane Practi
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UNIT V SECTION 9 AVIGATION IS THE S
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AVIGATION 379 Aeronautical charts a
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AVIGATION 381 a chart the distance
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AVIGAT ION 383 instructors and comm
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UNIT VI ENERGY MAY BE PROPAGATED TH
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388 ENERGY MAY BE PROPAC.AIED BY VI
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390 ENERGY MAY BE PROPAGATED BY VIB
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392 ENERGY MAY BE PROPAGATED BY VIB
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F"iG. 170. Theironsshown in this fi
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396 ENERGY MAY BE PROPAGATED BY VIB
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UNIT VI SECTION 2 LIGHT MAY BE PROD
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400 ENERGY MAY BE PROPAGATED BY VIB
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402 ENERGY MAY BE PROPAGATED BY VIB
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un ENERGY MAY BE PROPAGATED BY VIBR
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406 ENERGY MAY BE PROPAGATED BY VIB
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408 ENERGY MAY BE PROPAGATED BY VIB
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410 ENERGY MAY BE PROPAGATED BY VIB
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412 ENERGY MAY BE PROPAGATED BY VIB
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414 ENERGY MAY BE PROPAGATED BY VIB
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416 ENERGY MAY BE PROPAGATED BY VIB
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418 ENERGY MAY BE PROPAGATED BY VIB
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420 ENERGY MAY BE PROPAGATED BY VIB
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•5 I o U -a "o ua "o 3 O U s
Page 442 and 443: 424 ENERGY MAY BE PROPAGATED BY VIB
Page 444 and 445: 426 ENERGY MAY BE PROPAGATED BY VIB
Page 446 and 447: 428 ENERGY MAY BE PROPAGATED BY VIB
Page 448 and 449: 430 ENERGY MAY BE PROPAGATED BY VIB
Page 450 and 451: UNIT VI SECTION 5 LIGHT MAY BE REFL
Page 452 and 453: 434 EN ERGY MAY BE PROPAGATED BY VI
Page 454 and 455: 436 ENERGY MAY BE PROFAC.ATEI) BY V
Page 456 and 457: 438 ENERGY MAY BE PROPAGATED BY VIB
Page 458 and 459: 440 ENERGY MAY BE PROPAGATED BY VIB
Page 460 and 461: UNIT VI SECTION 6 ILLUMINATION IS T
Page 462 and 463: 444 ENERGY MAY BE PROPAGATED BY VIB
Page 464 and 465: 446 ENERGY MAY BE PROPAGATED BY VIB
Page 466 and 467: UNIT VI SECTION 7 SOUND IS PRODUCED
Page 468 and 469: — 450 ENERGY MAY BE PROPAGATED BY
Page 470 and 471: 452 ENERGY MAY BE PROPAGATED BY VIB
Page 472 and 473: 454 ENERGY MAY BE PROPAGATED BY VIB
Page 474 and 475: ' 456 ENERGY MAY BE PROPAGATED BY V
Page 476 and 477: 458 ENERGY MAY BE PROPAGATED BY VIB
Page 478 and 479: UNIT VI SECTION 8 ACOUSTICS IS A PR
Page 480 and 481: 462 ENERGY MAY BE PROPAGATED BY VIB
Page 482 and 483: 464 ENERGY MAY BE PROPAGATED BY VIB
Page 484 and 485: UNIT VI SECTION 9 SCIENCE AND ART H
Page 486 and 487: 468 ENERGY MAY BE PROPAGATED BY VIB
Page 488 and 489: : 470 ENERGY MAY BE PROPAGATED BY V
Page 490 and 491: 472 ENERGY MAY BE PROPAGATED BY VIB
Page 495 and 496: UNIT VII SECTION 1 MAGNETISM IS PRO
Page 497 and 498: MAGNETISM 479 Magnets Are Surrounde
Page 499 and 500: . MAGNETISM 481 with the forces act
Page 501 and 502: MAGNETISM 483 8. Explain the magnet
Page 503 and 504: STATIC ELECTRICITY 485 as bits of p
Page 505 and 506: STATIC ELECTRICITY 487 If the outsi
Page 507 and 508: STATIC ELECTRICITY 489 poles, or bu
Page 509 and 510: STATIC ELECTRICITY 491 of comblike
Page 511 and 512: STATIC ELECTRICITY 495 STUDY QUESTI
Page 513 and 514: CURRENT ELECTRICITY 495 Volta Inven
Page 515 and 516: CURRENT ELECTRICITY 497 difference
Page 517 and 518: CURRENT ELECTRICITY 499 The label o
Page 519 and 520: CURRENT ELECTRICITY 501 ance. In su
Page 521 and 522: J ELECTROMAGNETISM 503 it could be
Page 523 and 524: ; ELECTROMAGNETISM 505 is broken. T
Page 525 and 526: ELECTROMAGNETISM 507 of this celebr
Page 527 and 528: UNIT VII SECTION 5 ELECTROMAGNETIC
Page 529 and 530: ELECTROMAGNETIC INDUCTION 511 This
Page 531 and 532: ELECTROMAGNETIC INDUCTION 513 age.
Page 533 and 534: ELECTROMAGNETIC INDUCTION 515 Farad
Page 535 and 536: ELECTROMAGNETIC INDUCTION 517 so th
Page 537 and 538: ELECTROMAGNETIC INDUCTION 519 Alter
Page 539 and 540: UNIT VII SECTION 6 ELECTRICAL ENERG
Page 541 and 542: ELECTRICITY MAY BE CONVERTED INTO H
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ELECTRICITY MAY BE CONVERTED INTO H
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UNIT VII SECTION 7 THE GENERATION A
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; RADIO GENERATION AND RECEPTION 52
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RADIO GENERATION AND RECEPTION 531
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RADIO GENERATION AND RECEPTION 533
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RADIO GENERATION AND RECEPTION 535
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RADIO GENERATION AND RECEPTION 537
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UNIT VII SECTION 8 THE PHOTOELECTRI
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THE PHOTOELECTRIC EFFECT 541 from e
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THE PHOTOELECTRIC EFFECT 543 is nee
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ELECTRICAL CONDUCTION IN GASES 545
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ELECTRICAL CONDUCTION IN GASES 547
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ELECTRICAL CONDUCTION IN GASES 549
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ELECTRICAL CONDUCTION IN GASES 551
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UNIT VIII MAN IS MASTERING HIS MATE
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UNIT VIII SECTION 1 ALL MATTER CONS
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: THE MATERIALS OF THE UNIVERSE 557
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THE MATERIALS OF THE UNIVERSE 559 S
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UNIT VIII THE ATOM IS SECTION 2 THE
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THE ATOM IS THE UNIT OF CHEMICAL CH
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THE ATOM IS THE UNIT OF CHEMICAL CH
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UNIT VIII SECTION 3 ATOMS ARE COMPL
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ATOMS ARE COMPLEX 569 Discharge-tub
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ATOMS ARE COMPLEX 571 be determined
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ATOMS ARE COMPLEX 573 determined by
Page 593 and 594:
ATOMS ARE COMPLEX 575 mutation expe
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UNIT VIII SECTION 4 MOLECULES ARE H
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THE NATURE OF MOLECULES 581 orbit t
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THE NATURE OF MOLECULES 583 Photogr
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THE NATURE OE MOLECULES 585 values
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ELECTROVALENT REACTIONS 587 tween c
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ELECTROVALENT REACTIONS 589 being f
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I ELECTRON TRANSFER 591 Oxidation-r
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ELECTRON TRANSFER 593 current of el
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: : ELECTRON TRANSFER 595 railroad
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i gain — ELECTRON TRANSFER 597 Ox
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ELECTRON TRANSFER 599 Magnesium is
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UNIT VIII SECTION 7 ACIDS ARE PROTO
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PROTON CHEMISTRY: ACIDS AND BASES 6
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UNIT VIII SECTION 8 THE TRANSFER OF
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THE TRANSFER OF PROTONS 607 be dete
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THE TRANSFER OF PROTONS 609 A deter
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H H H H H H H H COVALENT REACTIONS
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COVALENT REACTIONS 613 enter into.
Page 633 and 634:
C H H COVALENT REACTIONS 615 H H H
Page 635 and 636:
I I I H H I I I H H I I I COVALENT
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COVALENT REACTIONS 619
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UNIT IX CREATIVE CHEMISTRY HAS CONT
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624 CREATIVE CHEMISTRY The use of o
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626 CREATIVE CHEMISTRY to sulfur tr
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628 C'RKATIVK CHKMISTRV " Life Woul
Page 648 and 649:
630 CREATIVE CHEMISTRY Silicon carb
Page 650 and 651:
632 CREATIVE CHEMISTRY A gel is for
Page 652 and 653:
UNIT IX SECTION 2 METALLURGICAL PRO
Page 654 and 655:
: 636 CREATIVE CHEMISTRY impurities
Page 656 and 657:
638 CREATIVE CHEMISTRY electrons an
Page 658 and 659:
640 CREATIVE CHEMISTRY Iron is some
Page 660 and 661:
642 CREATIVE CHEMISTRY metals, prod
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UNIT IX SECTION 3 COMBUSTION FURNIS
Page 664 and 665:
646 CREATIVE CHEMISTRY Not All Subs
Page 666 and 667:
648 CREATIVE CHEMISTRY ammonium pho
Page 668 and 669:
650 CREATIVE CHEMISTRY The vaporizi
Page 670 and 671:
: 652 CREATIVE CHEMISTRY Portland c
Page 672 and 673:
654 crp:ative chemistry 10. What co
Page 674 and 675:
656 CREATIVE CHEMISTRY The role whi
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658 CREATIVE CHEMISTRY The nitrogen
Page 678 and 679:
660 CREATIVE CHEMISTRY NO2, which r
Page 680 and 681:
662 CREATIVE CHEMISTRY Ammonia is f
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UNIT IX SECTION 5 CELLULOSE IS THE
Page 684 and 685:
666 CREATIVE CHEMISTRY duce a mater
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668 ( RKATIVK (^HEMISTRY and other
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670 CREATIVE CHEMISTRY All pyroxyli
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672 CREATIVE CHEMISTRY 8. ShrinkpTO
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UNIT IX SECTION 6 SYNTHETIC PLASTIC
Page 694 and 695:
676 CREATIVE CHEMISTRY asbestos, or
Page 696 and 697:
678 CREATIVE CHEMISTRY Moldings of
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' i H i 680 CREATIVE CHEMISTRY comp
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682 CREATIVE CHEMISTRY Fig. 297. A
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N I 684 CREATIVE CHEMISTRY for use
Page 704 and 705:
686 CREATIVE CHEMISTRY mable, and t
Page 706 and 707:
UNIT IX SECTION 7 COAL HAS BECOME A
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' Mustard Gas COOCH3 \y t Methyl sa
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" 692 CRKATIVK CHKMISTRY these dyes
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694 CREATIVE CHEMISTRY coal) with s
Page 714 and 715:
696 CREATIVE CHEMISTRY restricted i
Page 716 and 717:
698 CREATIVE CHEMISTRY ethyl lead w
Page 718 and 719:
700 CREATIVE CHEMISTRY Large-scale
Page 720 and 721:
702 CREATIVE CHEMISTRY In addition
Page 722 and 723:
704 CREATIVE CHEMISTRY 6. What are
Page 724 and 725:
: 706 CREATIVE CHEMISTRY makes it p
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708 CREATIVE CHEMISTRY In 1895 the
Page 728 and 729:
H 710 CREATIVE CHEMISTRY need not b
Page 730 and 731:
712 CREATIVE CHEMISTRY Another new
Page 732 and 733:
714 CREATIVE CHEMISTRY price of nat
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: UNIT X MAN'S PHYSICAL WELFARE IS
Page 738 and 739:
' 720 MAN'S PHYSICAL WELFARE and in
Page 740 and 741:
722 MAN'S PHYSICAL WELFARE Sugars a
Page 742 and 743:
724 MAN'S PHYSICAL WELFARE Coal, Oi
Page 744 and 745:
726 MAN'S PHYSICAL WELFARE becomes
Page 746 and 747:
728 MAN'S PHYSICAL WELFARE There Ar
Page 748 and 749:
730 MAN'S PHYSICAL WELFARE Plants R
Page 750 and 751:
732 MAN'S PHYSICAL WELFARE elements
Page 752 and 753:
734 MAN'S PHYSICAL WELFARE the Chil
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736 MAN'S PHYSICAL WELFARE Proteins
Page 756 and 757:
UNIT X SECTION 3 VITAMINS, ENZYMES,
Page 758 and 759:
740 MAN'S PHYSICAL WELFARE Vitamin
Page 760 and 761:
742 MAN'S PHYSICAL WKLFARE Dietary
Page 762 and 763:
744 MAN'S PHYSICAL WELFARE
Page 764 and 765:
746 MAN'S PHYSICAL WELFARE Periodic
Page 766 and 767:
748 MAN'S PHYSICAL WELFARE Ethylene
Page 768 and 769:
UNIT X SECTION 4 LARGE-SCALE CHEMIC
Page 770 and 771:
752 MAN'S PHYSICAL WELFARE Insects
Page 772 and 773:
754 MAN'S PHYSICAL WELFARE Over thr
Page 774 and 775:
UNIT X SECTION 5 THE UTILIZATION OF
Page 776 and 777:
758 MAN'S PHYSICAL WELFARE ashes wi
Page 778 and 779:
760 MAN'S PHYSICAL WELFARE Detergen
Page 780 and 781:
: 762 MAN'S PHYSICAL WELFARE floor
Page 782 and 783:
764 MAN'S PHYSICAL WELFARE From the
Page 784 and 785:
766 MAN'S PHYSICAL WELFARE 5. What
Page 786 and 787:
768 MAN'S PHYSICAL WELFARE used wit
Page 788 and 789:
C I H C I H 770 MAN'S PHYSICAL WELF
Page 790 and 791:
C I . C I H C I H 772 MAN'S PHYSICA
Page 792 and 793:
C C C C 774 MAN'S PHYSICAL WELFARE
Page 794 and 795:
776 MAN*S PHYSICAL WELFARE Still an
Page 796 and 797:
•78 MAN'S PHYSICAL WELFARE by his
Page 798 and 799:
C C H C\ C— I CH H 1 I I H C C I
Page 800 and 801:
I I I I I I H I I 782 MAN'S PHYSICA
Page 802 and 803:
C I H C H C H 784 MAN'S PHYSICAL WE
Page 804 and 805:
786 MAN'S PHYSICAL WELFARE composit
Page 806 and 807:
788 MAN'S PHYSICAL WELFARE Ephedrin
Page 808 and 809:
UNIT X SECTION 8 PROTOPLASMIC AND C
Page 810 and 811:
792 MAN'S PHYSICAL WELFARE waste pr
Page 812 and 813:
794 MAN'S PHYSICAL WELFARE ested in
Page 814 and 815:
UNIT X SECTION 9 THE PROGRESS OF CI
Page 816 and 817:
798 MAN'S PHYSICAL WELFARE it is up
Page 818 and 819:
800 MAN'S PHYSICAL WELFARE Accordin
Page 820 and 821:
CONCLUSION You have just completed
Page 822 and 823:
804 CONCLUSION or the everyday prob
Page 824 and 825:
806 BIBLIOGRAPHY Author Thouless, R
Page 826 and 827:
808 BIBLIOGRAPHY Author
Page 828 and 829:
810 BIBLIOGRAPHY Author
Page 830 and 831:
812 BIBLIOGRAPHY Author Henney, K.
Page 832 and 833:
814 BIBLIOGRAPHY Author
Page 834 and 835:
816 IMBLlOCRAl'in' Author Smith, K.
Page 836 and 837:
818 INDEX Automobile {continued) de
Page 838 and 839:
820 INDKX Conductor, 487 Conglomera
Page 840 and 841:
822 INDEX Faraday's laws, 569, 587
Page 842 and 843:
824 INDEX Isomerism positional, 618
Page 844 and 845:
826 INDEX Music, 466-473 Musical in
Page 846 and 847:
828 INDEX Proton (continued) activi
Page 848 and 849:
830 INDEX Star {continued) Sirius,
Page 850:
832 Wind instruments, 470-471 Windm

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