Cork insulation; a complete illustrated textbook on cork insulation ...

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434 CORK INSULATION That precooling of the lading means fewer icings in transit is a matter of common knowledge. That hard freezing of the goods, whereby they not only do not require additional chilling in transit, but actually furnish refrigeration to the car, is not so commonly recognized. Chart VI shows the temperatures in transit of 20,000 pounds of poultry which went into the car at 0° F. The railroad icing record shows that 4,700 pounds of ice was added during the eight-day haul, and 470 pounds of salt. Other experiments, under comparable conditions, show that nearly 5,000 pounds of ice is used by cars carrying 20,000 pounds of poultry chilled to 30-32" F. during a four-day haul, or approximately twice as much. The temperature records show that the poultry grew gradually warmer, faster on the top and bottom of the load, where the heat leakage from the roof and floor was most pronounced, and most slowlv in the center of the load, where the packages protected one
REFRIGERATOR CARS 435 another. The chart also shows that the amount of salt added during transit is insufficient to maintain the temperature produced on the initial salting, when the full ten per cent of the weight of the ice was present. It must be remembered that the salt bores through the ice and escapes as brine more rapidly than the bulk of the ice melts, hence it is in constantly decreasing proportion. Icing and salting rules take no account of the fact. It is quite obvious that different rules must be formulated if efficiency is to be secured. This problem, like all the other problems confronting the shipper and the carrier who are engaged in getting perishables to market in good condition, can be solved only on the basis of exact knowledge. That knowledge the United States Department of Agriculture, in cooperation with the shippers and the railroads, is now endeavoring to acquire and to pass on to all whom it may benefit. THE ABILITY OF REFRIGERATOR CARS TO CARRY PERISHABLE PRODUCTS.* By Dr. M. E. Pennington. Chief, Food Research Laboratory, United States Department of Agriculture, Bureau of Chemistry, Philadelphia, Pa. Mr. Herman J. Pfeifer (Terminal R. R. Ass'n, St. Louis): Mr. President, ladies and gentlemen: At our last meeting, Mr. Aishton, President of the Chicago & Northwestern Railroad, made the remark that on the advice of Dr. Pennington, his road appropriated the sum of $200,000 for improvements in the matter of refrigerator cars in a shorter time than an equal sum of money had ever been appropriated by that railroad. The question of food conservation is intimately connected with its transportation, and a great deal of our food being of a perishable nature, which must be transported in refrigerator cars, makes the consideration of this subject a very vital one at this time. The subject, therefore, about which Dr. Pennington is to speak, namely, the ability of refrigerator cars to transport perishable products safely, is one of vital interest, under present conditions. Dr. Pennington is recognized throughout the country as an authority on food conservation and preservation, and it now gives me great pleasure to introduce to you Dr. M. E. Pennington, Chief of the Food Research Laboratory of the United States Department of Agriculture. (Applause.) •Reprint from the Official Proceedings, St. Louis Railway Club, October 12th, 1917, Vol. 22, No. 6. Address delivered before the St. Louis Railway Club, October 12th, 1917.
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^oofe^a- 1842.4 This book may be ke
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Cork Insulation A
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To the Memory of JAMES EDWARD QUIGL
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tion of cork to other and more remo
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viii TABLE OF CONTENTS CHAPTER VI.
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X TABLE OF CONTENTS CHAPTER XIII. C
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xii TABLE OF CONTENTS CHAPTER XVIII
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2 CORK INSULATION floats for nets,
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CORK INSULATION vfany attem])ts lia
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6 CORK INSULATION •^ 4.—Home of
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8 CORK INSULATION and fifty feet an
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CHAPTER II. CORK STRIPPING. 6.—Re
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12 CORK INSULATION the cork oak tre
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14 CORK INSULATION seasoning prelim
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CHAPTER III. USES OF CORKWOOD AND U
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S CORK INSULATION 12.—Importance
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20 CORK INSULATION usually scraped,
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22 CORK INSULATION ful utilization
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24 CORK INSULATION from capillarity
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26 CORK INSULATION in place and spi
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28 CORK INSULATION for cold storage
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30 CORK INSULATION very substantial
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Z2 CORK INSULATION came The Nonpare
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34 CORK INSULATION glass bottle, al
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36 CORK INSULATION merit and an eff
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38 CORK INSULATION Paragraph 340.
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40 CORK INSULATION turning those st
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42 CORK INSULATION tip
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44 CORK INSULATION IMPORTS INTO UNI
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46 CORK INSULATION IMPORTS INTO UNI
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IMPORTS INTO UNITED STATES CORK INS
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so CORK INSULATION IMPORTS INTO UNI
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52 CORK INSULATION < i 2
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54 CORK INSULATION
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56 CORK INSULATION
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58 CORK INSULATION IMPORTS ENTERED
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70 CORK INSULATION O" coo I lOiM <
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72 CORK INSULATION crease by its be
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74 CORK INSULATION the tube and mer
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76 CORK INSULATION cooled, the air
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78 CORK INSULATION ordinary pressur
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80 CORK INSULATION sion. If a subst
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CHAPTER VIII. MEASUREMENT OF HEAT,
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84 CORK INSULATION equal to unity,
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86 CORK INSULATION The heat of fusi
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88 CORK INSULATION vaporize, and wh
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90 CORK INSULATION a pressure of 35
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92 CORK INSULATION of such air at t
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94 CORK INSULATION RELATIVE HUMIDIT
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96 CORK INSULATION and the temperat
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98 CORK INSULATION perature of the
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100 CORK INSULATION INTERNAL THERMA
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102 CORK INSULATION usually classed
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104 CORK INSULATION lose by radiati
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106 CORK INSULATION age wall <stron
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108 CORK INSULATION It will be seen
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110 CORK INSULATION H=K A (.U—U)
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112 CORK INSULATION : equals 17917,
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114 CORK INSULATION convection, and
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116 CORK INSULATION metal boxes wit
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118 CORK INSULATION the test box wi
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120 CORK INSULATION the areas and t
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122 CORK INSULATION 79.—Tests by
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124 CORK INSULATION a narrow limit,
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126 CORK INSULATION In addition to
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128 CORK INSULATION applications we
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130 CORK INSULATION
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132 CORK INSULATION j;aii 03 O .O 2
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134 CORK INSULATION
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136 CORK INSULATION
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138 CORK INSULATION
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140 CORK INSULATION
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142 CORK INSULATION
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144 CORK INSULATION
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146 CORK INSULATION
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148 CORK INSULATION
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ISO CORK INSULATION ^ I CO « O :s
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152 CORK INSULATION
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154 CORK INSULATION
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156 CORK INSULATION o ffi K K a ,=5
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158 CORK INSULATION
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160 CORK INSULATION o ^ J W to
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162 CORK INSULATION
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164 CORK INSULATION
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166 CORK INSULATION Section XI of *
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168 CORK INSULATION capillarity, el
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170 CORK INSULATION conceivable min
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172 CORK INSULATION test consists o
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174 CORK INSULATION 85.—Convenien
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176 CORK INSULATION basement except
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CHAPTER XII. PROPER THICKNESS OF CO
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ISO CORK INSULATION i ness that wil
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182 CORK INSULATION that a small ch
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184 CORK INSULATION 91.—Proper Th
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186 CORK INSULATION license alone i
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188 CORK INSULATION In new structur
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190 CORK INSULATION ure, in closed-
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192 CORK INSULATION corner of the r
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194 CORK INSULATION should be rever
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196 CORK INSULATION cold storage ro
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198 CORK INSULATION In the early da
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200 CORK INSULATION Until comparati
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202 CORK INSULATION overcome obstac
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204 CORK INSULATION introducing pur
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206 CORK INSULATION Pure air is dif
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208 CORK INSULATION ing capacity. I
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210 CORK INSULATION A hard, repress
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212 CORK INSULATION storage room is
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216 CORK INSULATION joists of such
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218 CORK INSULATION and delicately
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220 CORK INSULATION slight variatio
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222 CORK INSULATION filler and then
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224 CORK INSULATION ating less heat
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226 CORK INSULATION The first petro
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228 CORK INSULATION to be used in a
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230 CORK INSULATION Flash Point is
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232 CORK INSULATION A suitable Asph
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234 CORK INSULATION enveloping memb
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236 CORK INSULATION fying agent, on
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238 CORK INSULATION at 105° C. The
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CHAPTER XIII. COMPLETE SPECIFICATIO
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242 CORK INSULATION 116.—Finish.
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244 CORK INSULATION a second layer
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246 CORK INSULATION one layer of ..
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248 CORK INSULATION CE/LING :-)::):
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250 CORK INSULATION into which cork
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252 CORK INSULATION 106.—Ceilings
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254 CORK INSULATION insulated, one
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256 CORK INSULATION compounds.* The
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258 CORK INSULATION to all joints i
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260 CORK INSULATION »
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262 CORK INSULATION 110.—Floors.
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264 CORK INSULATION the size of the
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266 CORK INSULATION Asphalt cement.
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268 CORK INSULATION shall then be e
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270 CORK INSULATION To the reasonab
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272 CORK INSULATION butted tight, a
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274 CORK INSULATION mixed one part
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276 CORK INSULATION consisting of .
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278 CORK INSULATION of . . .-inch p
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280 CORK INSULATION sand* for each
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282 CORK INSULATION To prepare Asph
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284 CORK INSULATION must be applied
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286 CORK INSULATION plied, and the
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288 CORK INSULATION 122.—Second L
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290 CORK INSULATION 124.—First La
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292 CORK INSULATION that the forms
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294 CORK INSULATION and all joints
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296 CORK INSULATION Break all joint
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298 CORK INSULATION board uncoated
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300 CORK INSULATION area (one face
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302 CORK INSULATION [ storage doors
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3(X CORK INSULATION surface*, and t
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506 CORK INSULATION floor, on a lev
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308 CORK INSULATION See that the fi
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310 CORK INSULATION line of the fla
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312 CORK INSULATION corkboards are
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314 CORK INSULATION mixed product*,
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316 CORK INSULATION floors and baff
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318 CORK INSULATION History also sh
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320 CORK INSULATION into natural ic
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322 CORK INSULATION them from freez
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324 CORK INSULATION smaller establi
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326 CORK INSULATION on the "Mechani
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328 CORK INSULATION the four walls
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330 CORK INSULATION load on the ref
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CHAPTER XVI. DEVELOPMENT OF THE COR
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334 CORK INSULATION "root house," t
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336 CORK INSULATION of the surround
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338 CORK INSULATION to a new positi
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340 CORK INSULATION natives who inh
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342 CORK INSULATION Nevertheless, t
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344 CORK INSULATION to the
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346 CORK INSULATION quickly form a
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348 CORK INSULATION come within the
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350 CORK INSULATION water, and the
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352 CORK INSULATION success, and su
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354 CORK INSULATION ^r T"T M // lC
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356 CORK INSULATION interlinings of
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358 CORK INSULATION Handles and Cor
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360 CORK INSULATION models, for ice
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362 CORK INSULATION Doors.—Door f
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364 CORK INSULATION triple nickel-p
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366 CORK INSULATION JEWETT SOLID PO
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368 CORK INSULATION of the opposite
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370 CORK INSULATION , waterproof co
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372 CORK INSULATION
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374 CORK INSULATION Top Iccr.—The
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376 CORK INSULATION COPELAND "DEPEN
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: 378 CORK INSULATION hours before
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380 CORK INSULATION j Household ref
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382 CORK INSULATION at the daily ex
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Page 400 and 401: CHAPTER XVII. DEVELOPMENT OF THE CO
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Page 406 and 407: 392 CORK INSULATION the ins
Page 408 and 409: 394 CORK INSULATION heavily galvani
Page 410 and 411: 396 CORK INSULATION dumping of the
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Page 422 and 423: 408 CORK INSULATION oning millions
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Page 442 and 443: 428 CORK INSULATION lading next to
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Page 446 and 447: 432 CORK INSULATION CHART IV The we
Page 450 and 451: 436 CORK INSULATION Mr. President,
Page 452 and 453: 438 CORK INSULATION the elimination
Page 454 and 455: 440 CORK INSULATION Now let me proc
Page 456 and 457: 442 CORK INSULATION of the eggs on
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Page 466 and 467: 452 CORK INSULATION We are continui
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Page 496 and 497: 482 CORK INSULATION ECONOMY OF GASO
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484 CORK INSULATION That this amoun
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486 CORK INSULATION form on walls a
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488 CORK INSULATION Practically all
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490 CORK INSULATION for the pebbles
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492 CORK INSULATION nailed to three
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494 CORK INSULATION QUANTITIES OF C
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496 CORK INSULATION EXAMPLE OF PURC
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498 CORK INSULATION Portland cement
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500 CORK INSULATION FREIGHT CLASSIF
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502 CORK INSULATION CORK PIPE COVER
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504 CORK INSULATION to give a bette
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506 CORK INSULATION 3. Ice Water Th
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508 CORK INSULATION brought tightly
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510 CORK INSULATION A GOOD DRINK OF
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512 CORK INSULATION The Cost and th
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514 CORK INSULATION cause the agree
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516 CORK INSULATION Legality— In
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518 CORK INSULATION In general, unl
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520 CORK INSULATION the work should
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522 CORK INSULATION (1) Page $8, pa
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524 CORK INSULATION Brooks ice crea
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526 Page Depreciation in efficiency
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528 CORK INSULATION test of asphalt
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530 CORK INSULATION ice, formation
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532 Page Sealed air cells 169 Seali
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534 CORK INSULATION Page of heat by
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GOOD BOOKS YOU SHOULD HAVE These ar
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DATE DUE
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