INDEX 



793 



Boiling points — continued 

 water, 133 



pressure effect, 118, 169 

 rise of boiling point due to salts in 

 solution, 133 

 Boltzmann's constant, 49, 52, 54, 80 

 Bond energies, 633 

 Bougie decimal, 92 

 Brass, mechanical properties, 195 

 Brazing alloys, 223 

 brass, 223 

 iron, 223 

 steel, 223 

 Brazing flux, 223 

 Brightness, 93 



blackbody, 94, 96 



blue and candlepower, various materials, 



104 

 candle, 104 

 flames, 104 

 fluorescent lamp, 110 

 lamps, acetylene, 104 



filaments, 104 

 molybdenum, 103 

 moon, 104 

 Nernst glower, 104 

 oxides, 104 

 sky, 104 

 sun, 104 

 tantalum, 103 

 temperature, 7 



correction to true, 100 

 materials, 104 

 various illuminants, 104 

 tungsten, 102 

 units of, 93 

 various materials, 104 

 Welsbach mantle, 104 

 Brinell hardness, 187 



British Imperial system of weights and 

 measures, 64 

 metric equivalents, 64 

 British Thermal Unit, btu, 7, 21, 60 

 Brix degrees, 305 

 Bronze, mechanical properties, 197 

 Brownian movement, 630 

 Btu, 7, 21, 60 

 Building materials, 229 

 brick masonry, 231 



strength, 231 

 bricks: characteristics of, 230 

 coefficient of expansion, 152 

 water absorption, 230 

 weighted average strength, 230, 231 

 characteristics, 229 



concrete: compressive and tensile 

 strengths, 230 

 elastic properties, 230 

 strength, 230 



effect of quantity of mixing water, 



230 

 compressive; effect of entrained air, 



230 

 tensile, 229 

 masonry mortars, 229 

 reflection factor, 553 



Building materials — continued 



stone: American, 231 

 stiffness, 231 



ultimate strength, 231 

 Bursts (cosmic ray), 653 



ci, 80 

 C2, 80 



at different times, 80 

 Cadmium red line, 569 



lamp, 568 

 Calendar, Julian day, 733 



perpetual, 732 

 Calcite: density, 48 



grating space, 48 



molecular weight, 48 



ratio grating vs. Seigbahn, 48 



structural constant, 48 

 Calcium fluoride, 515 

 Calorie, 7, 21 



international, 8, 60 

 Candle, 93 



foot-, 91, 94 



international, 94 



meter, 93 



1948, 94 



old, 92 



spherical, 93 



Waidner-Burgess, 94 

 color, 94 

 Candlepower, 93 



distance, 95 



inverse square law, 95 

 disk, 95 

 line, 95 

 Capacitance, 11 

 Capacity, electric, 16 



physical, 60 

 Carat, 4 



metric, 4 

 Carboloy, characteristics, 224 

 Carbon, 105 



arc, 105 



light output, 105 



cycle, 666 

 energy, 666 



lamps, 104, 105 



untreated, 105 

 Carbon dioxide, compressibility, 265 



Joule-Thompson effect, 280 



values of pv, 265 

 Carcel unit, 92 

 Castor oil, density, 322 



viscosity, 322 

 Cathode rays (see also Electron), 653, 691 



constants for speed, 690, 691 



impinge on matter, 690 



ionization, 672 



path, 690 



speed in matter, 690 



three headings, 691 



velocity, 691 



and voltage, 691 



voltage, 691 

 Cells (batteries), composition, 377 



emf, 377 



standard, 378 

 Celsius temperature scale, 8 



