W. G. Mixter — Heat of Combustion of Hydrogen. 215 



grams. 



Copper 318-8 



Vessel C ■<I Nickel 95-7 



Zinc 116-9 



531-4 

 Silver bomb 1342- 





Water 



Specific 



equivalent. 



heat. 



grams. 



0-09245 



29-5 



0-1092 



10-4 



0-0915 



10-7 





50-6 



0-05498 



73-8 



124-4 



Two differential thermometers graduated to hundredths and 

 numbered 1 and 172,683 respectively were used in the work. 

 They were calibrated and compared with a standard ther- 



