INDEX 



Absolute humidity, definition, 347 

 Absolute temperature, conversion formulae, 

 17 



conversion tables, 17-19 

 Absorption of radiation, by pure liquid 

 water, 445 



by sea water, 446 



(See also radiation, absorption.) 

 Acceleration of gravity. (See gravity.) 

 Acre, conversion factors, 10 

 Adiabatic elasticity coefficient, 390 

 Adjusted virtual temperature, 295-296 

 Air, dry: 



composition, 389 



density, 290-294 



index of refraction, 389 



thermodynamic constants, 289 

 Air, moist: 



thermal conductivity, 394-395 



thermodynamic properties, 331-343 



transmission of radiation, 436-437 



viscosity, 394-395 

 Air-borne particles, characteristics, 397 

 Air mass, optical, 422 

 Albedo of various surfaces, 442-443 

 Altimeter reading, correction, for erroneous 

 altimeter setting, 275 



for mean temperature, 274-279 



for perturbation of pressure field caused 

 by mountains, 276 

 Altimeter setting, computation, 269-273 

 Altitude of the sun, 497-505 

 Altitude pressure table, NACA standard 



atmosphere, 273 

 Angstrom unit, conversion factors, 9 

 Angular velocity of the earth, 130 

 Anomalies in gravity, 489 

 Apostilb, conversion factor, 16 

 Arc, conversion to time, table, 106 

 Area, conversion factors, 9-10 



land and sea, latitude belts, 484 

 Astronomical constants, 481 

 Astronomical twilight, 506, 517-520 

 Atmosphere, standard : 



ICAN, 268 



NACA, altitude pressure table, 273 

 lower atmosphere, 265-267 

 upper atmosphere, 280-284 



unit of pressure, conversion factors, 14 



U. S. (See Atmosphere, standard, 

 NACA.) 



Atmospheric transmission of solar radia- 

 tion, 433-436 

 Avoirdupois pounds and ounces, 12 

 Azimuth of the sun, 497-505 



Bar, conversion factors, 13 



Barometer, fixed-cistern, temperature cor- 

 rection, 138 



Barometer correction, capillary, 135 

 gravity, 200-202 

 temperature, 136-199 



English units, 139-163 

 metric units, 164-199 



Barometric determination of height, 203-213 



Baryre, conversion factors, 13 



Beaufort wind scale, 119 



Beta, tabular values of, 130 



/3L747T 2 , 131 



Blackbody radiation, 411-413 



Brass, coefficient of expansion, 136 



Brick, density, specific heat, thermal con- 

 ductivity and diffusivity, 405 



Brightness, units and conversion factors, 

 15-16 



British thermal unit, conversion factors, 14- 

 15 



Brownian movement, 397 



Calorie, conversion factors, 14-15 



definition, 4 



equivalent mechanical energy, 289 

 Candle per unit area, 16 

 Capillary correction, for mercurial barom- 

 eters, 135 

 Carbon dioxide, absorption of radiation, 427 

 Celsius temperature (see also Centigrade), 



17 

 Centibar, conversion factors, 13 

 Centigrade temperature, conversion formu- 

 lae, 17 



conversion tables, 17-30 

 Centimeter, conversion factors, 9-10 

 Cheval-vapeur, conversion factors, 15 

 Civil twilight, 506, 513-516 

 Clarke spheroid, 481 

 Cloud particles, 396-398 

 Clouds, albedo, 443 



transmission of solar radiation, 441 

 Composition of air, 389 



521 



