58 JAMES CLERK MAXWELL 



about, and has found some cases in which he and I don't tally. 

 So I am working it out again. Several experimental results 

 have turned up lately rather confirmatory than otherwise of 

 that theory. 



** I hope you enjoy the absence of pupils. I find the division 

 of them into smaller classes is a great help to me and to them ; 

 but the total oblivion of them for definite intervals is a 

 necessary condition for doing them justice at the proper time," 



The experiments on the viscosity of guses, which 

 formed the liakerian Lecture to the Itoyul Society 

 read on February 8th, LSM, were the outcome of this 

 work. His house in 8, Palace (tunicas, Kensington, 

 contained a largo garret running the complete length. 



"To maintain the proper temperature a large tiro 

 was for some days kept up in the room in the midst 

 of very hot weather. Kettles were kept on the lire and 

 large quantities of steam allowed to How into the 

 room. Mrs. Maxwell acted as stoker, which was very 

 exhausting work when maintained for several consecu- 

 tive hmrs. After this the room was kept cool for 

 subsequent experiments by tho employment of a 

 considerable amount of ice." 



Xcxt year, May, ISM, WAI ro.vl his p.ipor on the 

 " Dynamical Theory of (Jascs," ia which errors in his 

 former papers, which had been pointed out by 

 Clausius, were corrected. 



Meanwhile he had resigned his F/mdon Professor- 

 ship at the end of the Session of 1SG5, and had been 

 succeeded by Professor W. <. Adams. 



For the next four years he lived chiefly at (Jlenlair, 

 working at his theory of electricity, occasionally, as 

 we shall see, visiting London and Cambridge, and 



