Enquiry into the Heat given out by the Human Body. 245 



Experiment with Subject in Calorimeter. 



Upper agitator. Lower agitator. 



r . /Final readings.... 238,566 1,052,431 



Counters < _ n . ^ 7C , QKQ QQI 



( Initial .... 104, / 75 852,831 



133,791 199,600 



133,791 

 199,600 



(333,391) 2 = 11,115.... 



13,244 : 11,115 = 12,333 : x 

 x = 10,355 







Difference of extremes 0' 18 -0-06 +0'15 



Time spent in calorimeter, one hour. 

 Weight of ice water, 1309'30 grams. 

 Temperature of water, 9 C. 



Calories found. 



Calories. 



Ice water 1309-30 x 79* = 103,435 



Ice water 1309-30 x 9 = 11,784 



From air in annular space 69 X 0' 15 = 10 



From copperf 5832 x 0'06 = 350 



From air in chamber . . 214 x 0'18 = 38 115,229 



-388 



388 



Calories 114,841 



Correction for agitators 10,355 



Heat emitted in one hour, say, calories found 104,486 



* 79 = number of calories absorbed by the melting of 1 gram of ice. 



f The figures 5832 for copper, 214 for air of chamber, and 69 for air of annular 

 space are constants obtained by multiplying the individual weights by their corre- 

 sponding specific heat. 



