A Practical Manual On Sea Water Distillation
With A Description Of The Necessary Machinery For The Process

.. .. ____ THE DISTILLING CONDENSER. TABLE M.—Specific Heat of various Substances. (Equal Weights).—Water (at 39°) being 1. Solids. Ice,_______________________________________ 0-5040 Magnesium,______________________________ 0'2500 Aluminium,______________________________0’2185 Brickwork (about),__________________________ 0-2000 Glass,_______________________________________0‘1970 Cast Iron,___________________________________0'1268 Steel,_______________________________________0-1175 Wrought Iron,______________________________0’1138 Nickel,___________________________________0'1086 Copper,___________________________________ 0’0944 Zinc,_______________________________________ 0'0820 Brass (70% copper and 30% zinc), . . . 0'0939 Tin,_______________________________________ 0-0562 Silver_________________________________________ 0'0557 Platinum,___________________________________ 0'0330 Gold,_______________________________________ 0-0320 Lead,_______________________________________0-0314 Liquids. Water,_____________________________________ 1-0000 Alcohol,..................................... 0-6588 .................................... Mercury,........................................ 0'0330 Oil,_________________________________________ 0-3096 Gases. Hydrogen (constant pressure), .... 3-4046 — (constant volume),_______________________ 2'4096 Coal Gas (constant pressure),__________________ 0’5929 — (constant volume),_______________________04683 Air (at constant pressure),__________________ 0’2380 — (at constant volume)_________________________0’1620 Steam (at constant pressure),__________________ 0-4750 — (at constant volume),__________________ 0'3640 13. The quantity of circulation water required to con- dense steam to water, and if necessary, to cool the hot distilled water (in connection with the tube surface in ■■Mm HiM