on certain Equations in the Analytical Theory of Heat. 437 

 Nickel-plated Zinc bar* cooled in water-jacket. 









1? 



1 

 .? 



53 



HI 8 











m 





6 



SIM 



ll 





I* 





• 





D 



d 



5^ 



1 



1 «* 



^p 



Is 



5? 



| 



o 





~l 



o 



> 



| 





1+ 



S 



CO 



S 



Is 



s 





*a 





s> 



N 



**8 





(M 



*0 











| 



O 

















c* 















> 

 I 

















1 































17*00 



70-93 



•4050 







Means 



2 



•10 



6492 



122 







of 5. 





4 





5902 



215 











6 



•20 



54-01 



297 











8 





49-33 



381 











10 



•24 



45-10 



466 











12 





41-29 



553 











14 



•27 



37-98 



637 











16 





35-00 



717 











18 



•29 



32-33 



798 











20 





29-95 



877 



•0827 



•0820 





Another 



22 



•29 



27-70 



964 



42 



37 





exp. gave 



24 





25 59 



•5045 



30 



25 







26 



•29 



23-69 



126 



29 



24 







28 





21-99 



211 



30 



26 



•004132 



•004100 



30 





2030 



301 



35 



33 







32 





18-98 



374 



21 



19 







34 



•29 



17-77 



447 



10 



08 







36 





16-60 



531 



14 



12 







38 





15-42 



614 



16 



15 



4087 



4087 



40 





1443 



693 



16 



16 







42 



•29 



1350 



777 



13 



13 







44 





12-62 



862 



17 



17 







46 





11-83 



946 



20 



20 







48 





11-05 



•6031 



20 



20 



4086 



4109 



50 



•29 



10-41 



108 



07 



07 







52 





9-79 



185 



11 



11 







54 





9-22 



268 



21 



21 







56 





8-62 



353 



22 



22 







58 





8-08 



440 



26 



26 







60 



•29 



7-64 



517 



24 



24 



4093 



4112 











Mean.. 



.-004100 



•004102 



n = 1-21. 



m = 573*4 grams. 



•0915. 

 •000485. 



165-5 sq. centims. 



Nickel surface not good, peeled in places. 



•00410 573-4 

 •21 165-5 

 0676. 



