M. E. Wiedemann on the Specific Heats of Gases. 99 

 Table I. — Experiments between 100° and 25°. 





1. 



2. 



3. 



4. 



5. 



w 



60-36 



60-85 



6103 



60-65 



6013 



G 



18-38 



16-45 



18-31 



18-81 



1847 



B 



745-6 



745-6 



7505 



750-3 



753-3 



p 



75-5 



737 



77*9 



771 



80-8 



x 



22-8 



231 



19-9 



204 



202 



n 



^ 



4 



4* 



H 



4i 



*2 



a 



4084 



4 11 



407 



418 



4-105 



T 



22 6 



23 



2005 



20-3 



19-95 



T 



21 05 



18-55 



1807 



1805 



20-48 



m 



00825 



01 104 



0079 



0083 



0073 



T x 



27-65 



24-93 



25 09 



2519 



27-68 



m x 



-0017 



0027 



-0-004 



00033 



-0013 



* 



00442 



0050 



0-0557 



0057 



0079 



a 



00120 



0-0119 



00117 



00112 



00103; 



o 



6 40 



5-98 



673 



6-88 



7-00 



e r 



6-3 



572 



657 



6-69 



6-84 



t 



24-5 



21-8 



21-71 



21-74 



24-20 



M 



98 



97'6 



98-6 



98 



103 



e 



73-5 



75-8 



76-9 



76-26 



78-8 



c 



0-2450 



0-2420 



0-2432 



0-2425 



0-2399 



Mean value =0*2425 ; greatest deviation =0*0026. 

 Table II. — Experiments between 200° and 25°. 



W 



a 



B 

 P 



X 

 n 

 a 



T 



T 

 m 

 % 



k 



a. 



9 



t 



M 



e 



c 



1. 



60-95 

 11-27 

 75015 

 44-9 

 216 



4 



2-82 

 222 

 22-6 



0-2 

 32-9 



007 



0-205 



0-0126 



9-92 



8-70 

 28 

 202-75 

 174-75 



0-2407 



59-8 

 11-70 

 75015 

 58-34 

 21-4 



3-3 i 

 21 7 



17-63 

 0-234 



28-45 

 005 

 0166 

 0017 

 9-83 

 915 

 23-38 



194-75 



171-38 

 0-2407 



3. 



60 



12-71 



750-15 



57-52 



21-6 



4 



318 

 21-55 

 21-54 



0184 

 32-9 



004 



0184 



00127 



10-48 



10 08 



27-43 



1991 



17167 



0-2442 



4. 



59-9 

 11-5 

 753-3 

 45 3 

 20-4 



2-55 

 20-65 

 2115 



018 

 3135 



00571 



0182 



0-0121 



9-33 



8-83 

 26-44 

 194-9 

 168-46 



0-2444 



60-65 

 12-61 

 753-3 

 65-2 

 20-4 



4 



315 

 20 

 21 



017 

 32-23 



0033 



0182 



00122 



10-43 



10-03 



26-8 



198-45 



171-65 



0-2431 



Mean value =0*2426 ; greatest deviation =0*0019. 



H 2 



