CONTENTS IX 



94. Correcting factors : Saturated gas volume to volume at 760 mm, o° C. 143 



95. Compressibility of gases : At ordinary temperatures 144 



96. " " " "low " 144 



97. " " " O, air, N, and H 145 



98. " " " Ethylene 145 



99. " " " Carbon dioxide 145 



100. " " " Physical properties of compressed nitrogen 146 



101. " " Under high pressures 147 



102. Gage pressure to atmospheres (absolute) 147 



103. Relation between p, T, and v, sulphur dioxide 148 



104. " " " " " " ammonia 148 



105. Volume of gases: Values of I + .O0367? 149 



(a) For values of t between b° and io° C by o.i° steps . . . 149 



(b) Logs for t between — 49 ° and +399° C by i° steps . . 150 



(c) For values of t between — 90 and +209O°C by io° steps. 152 



(d) Logs for t between 400 and 1990 C by io° steps ... 153 



106. Compressibility of liquids 154 



107. and thermal expansion of petroleum oils . . . . 155 



108. " of solids 156 



109. " crystals 157 



Densities 



no. Specific gravities corresponding to the Baume scale 158 



in. Degrees A. P. I. corresponding to specific gravities at 6o°/6o° F . 158 



112. Density of the elements, liquid or solid 159 



113. " different kinds of wood 161 



114. " various solids 162 



115. " " " alloys 163 



116. " some foreign woods 163 



117. " various natural and artificial minerals 164 



118. " " liquids 165 



119. " pure water free from air, o° to 41 ° C 166 



120. Volume of water free from air, o° to 36 ° C 167 



121. Density and volume of water, — 10° to +250 C 168 



122. " " " " mercury, — io° to +360 C 169 



123. of aqueous solutions 170 



124. " mixtures of ethyl alcohol and water 172 



125. " aqueous methyl alcohol, cane sugar, sulphuric acid . . 174 



126. " cane sugar solutions, Brix and Baume degrees . . . .175 



127. " " gases 176 



128. " moist air: h/j6o, h from 1 to 9 177 



129. " " " " log h/760, h from 80 to 800 177 



130. " " " " values of 0.378^ 179 



131. Maintenance of air at definite humidities 179 



132. Pressure of columns of mercury and water 180 



