Man's physical universe

xanabras

INDEX

Abrasives, 760

Absolute zero, 210

Absorption, 727

Acceleration, 96

Acetylene, 629, 693

Acid-base balance, 733

Acid formers, 602

nitric, 659-660

organic, 615, 722

sulfamic, 662

sulfuric, 625-626

Acids, 588, 601-603

amino, 616

Acoustics, 460-464

Actinometers, 443

Activation, 719

Addition, 617

Adsorption, 727

Aeration, 759

Aerodynamics, 365-375

Aerolites, 114

Affinity, chemical, 577-579

Aggradation, 125

Air conditioning, 274-285

Air mass analysis, 271-272

Airplane, 352-363^^

flying an, 356-375

pusher type, 365

tractor type, 365

Airspeed indicator, 369, 380

Alchemists, 556

Alcohols, 614-615

Aldehydes, 615

Alkaloids, 785-788

Alkylation, 699

AUotropic forms, 624, 627, 647

Alloys, 223, 225, 636

Alnico magnet, 478

Alpha rays, 570, 572

Alternating current, 499

Altimeter, 379-380

radio, 382

Altitude and climate, 252

Aluminum, 186, 598-599, 640-641

Ameripol, 713

Amines, 616

Amino acids, 616

Ammeter, 497

Ammonia, 659-662, 763

Amorphous solids, 219

Ampere, 497-498

Amplitude

modulation, 535

of sound wave, 450-451

Anaesthesia, 777-781

Anaesthetics, 777-781

general, 777

local, 777-781

Analgesics, 784

Analysis, 32, 557

Aniseikonia, 440

Annealing, 637

Anthracite coal, 189, 628

Anticyclones, 266-269

Antioxidants, 698

Antipyretics, 785

Antiseptics, 770, 772-773

Archimedes' principle, 216

Argon, 662

Argyrol, 773

Aromatic compounds, 688-694

Arrhenius, Svante, 587-588

Arsphenamine, 768-769

Artificial horizon, 380

Artificial leather, 669

Asbestos, 632

Asphalt, 189

Aspirin, 784-785

Asteroids, the, 106-107

Astigmatism, 440

Astrology, 53-54

Astronomy

defined, 40

survey of, 53-90, 101-117

Atmosphere, 125, 132-134, 138-141,

207

Atomic theory, 563-564

Atomic weights, 564-566

Atoms, 561-563, 567-576

Aurora, 87, 545

Autogiros, 357

Automatic machines, 317-318

Automatic volume control, 535

Automobile, 326-336, 341-350

battery, 334-335

brakes, 345

817

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