248 MESSRS. W. R. BOUSFIELD AND W. ERIC BOUSFIELD 



APPENDIX D. POINT-TO-POINT EXPERIMENT, No. 125 (continued). 



Time. 



11.57 



11.58 



11.59 



11. 59J 



12.0 



12. OJ 



12.1 



mi. 



21-89 



BtOp 



28-21 



Obturator. 



-2 

 -5 



Bath. 



3 



a 



-3 



Calorimeter. 



80-605 



80-61 



80-61 



M 2 + leads 

 Leads . . 



Test of Resistances. 

 Bridge 17 C. 



Constant in bridge ohms . . . 



Bridge factor 



Constant in international ohms 



MI + leads 

 Leads . . 



Constant in international ohms 

 Bridge factor ...... 



=10-1320 

 = 0-0710 



10-0610 

 0-8420 



= 9-2190 

 = 1-00020 

 = 9-2208 



= 1-8499 

 = 0-0021 



1-8478 

 0-0361 



1-8117 

 1-000 



26-78 



TO! = 21-26 



SUMMARY. 



1st. 



2nd. 



3rd. 



4th. 



5th. 



Duration of period 



11 minutes. 



13 minutes. 



12 minutes. 



13 minutes. 



22J minutes. 



Corrected tern- f start (a) . 

 peratures \end (6). . 



Difference 



Obturator, &c., heating . . 

 A0 due to electrical heating 



1-095 

 12-980 

 11-885 



0-047 

 11-838 



Average values wi . . . . 



Average values MI . . . . 



C, = 9-1666/M, 



Mean values m? 



Mean values R = M- 0-0045 



C,R 



Joules expended 



Joules for calorimeter . . . 



Joules for water 



Calories = W x A0 . 



21-93 



12-980 

 27-215 

 14-235 

 0-045 

 14-19 



27-215 

 40-52 

 13-305 

 0-042 

 13-263 



40-51 

 55-05 

 14-54 

 0-045 

 14-495 



21-92 



21-90 



21-87 



55-025 

 80-563 

 25-538 

 0-075 

 25-463 



21-91 



4' 



7-97 

 9-4465 

 232-22 

 153,265 

 6,885 

 146,380 

 34,929 

 4-1906 



8488 

 9581 



11-65 



9-5586 

 234-98 

 183.281 

 8,351 

 174,930 

 41,869 

 4-1780 



15-49 

 9-6794 

 237-97 

 171,343 

 7,897 

 163,446 

 39,134 

 4-1766 



1-8487 

 4-9584 



19-34 

 9-8046 

 241-05 



188,021 

 8,733 



179,288 

 42,769 

 4-1920 



24:85 



9-9906 

 245-62 

 331,587 



15,604 

 315,983 



75,131 



4-2058 



