OF AIE AND OTHER GASES. 



23 



TABLE III. 



Equations from which u. for air was determined ; m = z . 



461 + d 



Final result /LI* = '00001510 (46T+0) with probable error 0'36 per cent. 

 ^, = 0000439, JT a = '0000524. 



TABLE IV.-~-Experiments with Arrangement 5. 



* This is the result derived from these equations, which is 1 -2 per cent too large. 



