70 



THE NATURE AND 

 SOUTHERN'S EXPERIMENTS ON THE FORCE OF STEAM. 1 



[SECT. ii. 



100. A scale of the elastic force of steam at high temperatures was published 

 in 1822 by Mr. Philip Taylor, 2 which was formed by means of an apparatus 

 not described ; but it appears to correspond with the best experiments, and is likely 

 to be near the effect in practice where we may expect some loss of elastic force, 

 compared with the temperature. 



TAYLOR'S SCALE OF THE FORCE OF STEAM. 



101. The experiments of Schmidt present a surprising accordance with the 

 rule, at the temperatures from 60 to 230; at these points they slowly sepa- 

 rate, the rule being in defect in the highest temperature 290 by 11 inches, 

 and in excess at 43^ by 0-163. 3 



Robison's Mechanical Philos. vol. ii. p. 173. 

 Dr. Young's Nat. Phil. vol. ii. 



2 Philosophical Mag. vol. ix. p. 452. 



