Chemistry and Physios. 



<lue to conduction along the bar — can readily be foun 

 periment; or deduced by analysis, as in the case of ai 

 square bar where 



6 — aZr h * and — = —akZT 1 *. 



zRS-phl 



r dB IX 



If Tail's assumption that a = MT, where M is some constant 



t"in :i v ;! lue for M. If we performed the same' operation for 

 two other points, we should get another value for M, and could 

 verify Tail's assumption if this value was e M ual to the preceding. 



electrical resistance due to a change of temperature, and to 

 partly neglecting the change of thermal conductivity due to 



SCIENTIFIC INTELLIGENCE. 



I. Chemistey and Physics. 



