DECIMAL CLASSIFICATION 
536 Heat 
.I Theory Nature 
2 Communication 
Action of bodies on heat 
Reflection 
Refraction 
Radiation 
Absorption 
Diathermancy 
Effects Action of heat on bodies 
Expansion 
Liquefaction 
Solidification 
Vaporization and condensation 
Incandescence 
Combustion Flame 
Temperature See also 551.52 Meteorology; 613.18 Hygiene 
Thermometry 
Pyrometry 
Electric methods of mesuring 
Calorimetry 
Thermodynamics Mechanical equivalent 
Applications Preferably go in Useful arts.See 532.8, note 
Steam engins See 621.1 Engineering 
Gas engins See 621.43 Engineering 
Heating See 697, 621.19, 628.8, 644 
Ventilation See 697, 622.4, 628.8 
Tables ~~ Problems Questions 
Electricity 
See also 621.3 Electric engineering 
Theory Nature 
Static 
Quantity, potential 
Conduction, distribution 
Machines 
Condensers 
Electrometers 
41 
1 
2 
21 
22 
23 
24 
27 
5 
4 
5 
.51 
“52 
53 
6 
” 
Atmospheric Lightning rods 
Dynamic 
Theory of coils Constants 
Induction spark 
Induction spark in rarified gases 
Electro dynamics 
Electric mesurements