INDEX 



681 



PAGE 



Water: pressure, hydrostatic, of columns of 180 



sea: adiabatic cooling 652 



chemical composition 652 



chlorinity 65 1, 652 



color 652 



concentration 651 



conduction, electrical, thermal 651 



density 652 



freezing point 652 



index of refraction 652 



pressure 651 



refractive index 652 



salinity 651 



sound velocity 190, 652 



specific heat 652 



surface tension 652 



temperature 651 



transparency 389, 652 



velocity of sound 652 



viscosity 652 



solubility of gases (I. C. T., 3, -'55) 221 



solutions: boiling points 269 



chlorinity of sea water 651 



diffusions 215 



electrolytic conduction 432 



freezing points 367 



salinity, sea water 651 



viscosities 206, 210-212 



sound, velocity of, in 190 



sea water 652 



thermal conductivity 276 



transparency to radiation 392 



sea 389 



steam 392 



vapor 392 



vapor: atmospheric, relative humidity ..236-238 

 wet and dry bulb ther- 

 mometers 234, 235 



determination, sea level, via wet and 

 dry bulb thermom- 

 eters 234-235 



various altitudes, via 

 wet and dry bulb 



thermometers 234 



in atmosphere, f (altitude) 558, 560 



pressure 232-233 



relative humidity via dry and vapor 



pressure . . 236 



wet and dry. . 238 



transparency, ordinary temperature.. 392 



steam 392 



weight 234 



saturated, per m 3 and ft. 3 ... 234 



viscosity, f (temperature) 205 



high-pressure 656 



volume, f (t, p), o° to 40° C 167 



— io° to +250 C 168 



weight of columns of 180 



vapor 234 



Watt 660 



Wave filters, sound (I. C. T., 6, 458) 



forms : deep water 653 



shallow water 653 



lengths: angstrom, definition 347 



cadmium red line 104, 347 



Crova 335 



elements 355 



Fraunhofer solar lines 346 



infra-red provisory standard solar... 353 

 iron arc, secondary standards. . . .347-349 



limits, wireless, X rays, etc 501 



neon standards 349 



Rontgen 537~546 



solar Fraunhofer lines 346 



standards, Bowland- 



St. John 350-352 



standard conditions, reduction to 



15° C, 76 cm 354 



standards: primary I'd line.... 104, 347 

 secondary Fe arc ...347-349 



neon 349 



solar standards, 



infra-red 353 



Rowland-St. John. 350-352 



ultra-violet 353 



vacuo, reduction to 374 



volt-electron , 107 



PAGE 



Wave lengths: wireless 452, 456-460 



X rays 537~546 



numbers 502 



energy, h/c 105 



velocity, earthquakes 569 



Waves: seismic 653 



sound, energy of 194 



swell 653 



translation 653 



wind 653 



Weber 660 



Weighings, reduction to vacuo 109 



Weights and measures: customary to metric 5 



Imperial to metric 10-1 1 



metric to customary 6 



imperial 



(British) ... 8 

 miscellaneous (U. S. to 



metric) 7 



atomic 483 



Birge 81-84 



columns water or mercury 180 



various geometric volumes 72 



Weiss magneton (I. C. T., 6, 346) 



Weston cell xlix 



White lights, visibility of 340 



Wiedermann magnetic effect (I. C. T., 6, 439) 463 



Wien displacement constant 107 



Wind pressures 1 98-202 



Wire gages, comparison of 4 2 o 



mechanical properties of copper 118-119 



steel 114 



rope and cable. 1 1 5 



resistance, auxiliary table for computing 408 



tables: aluminum (see also introduction to 



wire tables) 421 



English measures 429 



metric measures 430 



copper (see also introduction to wire 



tables) 421 



English measures 423 



metric " 426 



temperature coefficients 422 



reduction to stand- 

 ard 422 



Wireless telegraphy: absorption factors in propaga- 

 tion 454. 455 



absorption factors in propaga- 

 tion over land 455 



absorption factors in propaga- 

 tion over sea 455 



antenna heights vs. wave 



length 452 



resistances 45 2 



wave lengths 452 



dielectric constant 454 



properties, noncon- 

 ductors 452 



frequency vs. wave length and 



oscillation constant 460 



ground, transmission over.... 455 

 insulating materials, dielectric 



constants 454 



kilocycle-m conversions, 



V = 299820 456 



v= 300000 460 



land, transmission over 455 



nonconductors, dielectric prop- 

 erties 452 



oscillation constant 460 



power factor, insulating mate- 

 rials 454 



radiation resistance, f(\, 



antenna) 452 



range table 462 



skip distance 462 



transmission over ground .... 455 

 sea water . . 455 

 wave length, frequency, oscilla- 

 tion constant 456-461 



Wires: alternating current resistance of 451 



carrying capacity of 416 



heat losses from incandescent 329 



high frequency current resistance 



of 449-450, 451 



Wolf sun-spot numbers, annual means 610 



