Schedule of Classification 



PAGE 



Mechanics 3600, 3630, 

 3650.) ... 133-142 



Caoutchouc ... 133-134 



Compressibility. (See 

 also Mechanics 3600 

 Building Materials 

 and Resistance to 



Crushing.) 134 



Glass 134-135 



Ice 135 



Iron and Steel . . . 135-136 



Effects of Temperature 135 



Iron 135-136 



Steel 136 



Metals. (See also Iron 



and Steel.) ... 137-138 



Alloys 137 



Effects of Chemical 

 Composition on Phy- 

 sical Properties 137-138 

 Effects of Temperature 138 

 Methods and Apparatus 138-1 40 

 . Testing Machines ... 140 

 Moduli of Elasticity 140-141 

 Threads and Fibres ... 141 

 Torsion. (See also Me- 

 chanics 3220 Vibra- 

 tions, and 3630.) ... 142 

 Wires. (See also Torsion, 



and Mechanics 3240.) 142 

 0842 Compressibility of Liquids 143-144 

 Measurement of Com- 

 pressibility ... ... 143 



Various Liquids 143-144 



Water 144 



0845 Numerical Values of Mechan- 

 ical Quantities (Density, 

 Gravitation, etc.) 144-146 



Density. (See also Chem- 

 istry 7115.) ... 144-146 

 For Gravitation see Mechanics 

 0180. 



HEAT. 

 General ... 146 



0900 



1000 



Sources of Heat and Cold. 



147 



General 



Heat developed on moist- 

 ening solids, Pouillefs 

 phenomenon ... ... 147 



1010 Methods of Producing High 

 Temperatures. (See also 

 6090.) ...... 147-149 



1012 Methods of Producing Low 

 Temperatures. (See also 

 2495.) ...... 149-151 



Freezing Mixtures ... 150 

 Methods of Producing Con- 

 stant Temperatures. Ther- 

 mostats ...... 151-152 



Thermostats ... 151-152 



1014 



Thermometry. 



1200 General 152-154 



Measurement of Tempera- 

 ture 152-153 



Thermometers 153 



1210 Expansion and Pressure 



Thermometry 154 -157 

 Thermometers ... 154-156 

 1230 Electrical Thermometry 157-158 

 Measurement of Tempera- 

 ture 157 



Thermoelectric Mea 

 surement ... .. 157 



Pyrometers 158 



Thermometers 158 



1240 Temperature Measurement 

 by Calorimeter, Vapour 

 Density, Transpiration, 

 Viscosity, etc. ... 158-159 



1250 Special Thermometers (Maxi- 

 mum, Minimum, Self-re- 

 cording, etc. (See also 

 Meteorology 0250.) 159-161 



Thermometers... 160-161 



1255 Radiation Thermometry, 



Optical Pyrometry, etc. 161-162 

 Optical Pyrometry 161-162 

 1260 Comparison of Thermo- 

 meters. Thermometric 

 Scales. Reduction to Ther- 

 modyuamic Scale. (See 

 also Thermodynamics, 

 2400, etc.) ... 162-164 

 Comparison of Thermo- 

 meters 162-163 



Relations involving Expansion and 

 Stress. 



1400 General. (See also Chem- 

 istry 7245.) ... 164-165 



Expansion... ... ... 164 



1410 Expansion of Solids by Heat. 

 (For Compressibility of 

 Solids, see Mechanics, 

 Elasticity 3200, etc.) 165-168 



Measurement ... ... 166 



Specified Solids ... 166-168 



1420 Permanent Deformation and 

 Thermal Hysteresis. 

 Annealing ... 168-170 



Recalescence ... ... 1 69 



Rupert's Drops 169 



1430 Expansion of Liquids : Pres- 

 sure - Volume - Tempera- 

 ture Relations ... 170-174 



Expansion of Liquids 170-172 

 Measurement ... ... 171 



Specified Liquids 171-172 



Maximum Density of 



Liquids, Temperature 173 



