548 Mr. P. E. Shaw on 



Table IIL. 



Readings to show the throw of the Diaphragm when a known 

 current is applied. The first four columns are in units o£ 

 the instrument, the fifth column is in terms of the unit 

 10 -7 cm. The current in the sixth column is in terms of 

 a special unit (1'43 X 10 -6 amp.). 



Normal 

 Contact. 



23-26 

 2345 

 23-25 

 2330 



New 

 Contact. 



Difference. 



Mean. 



Corrected 



Mean, 

 10 -7 cm. 



36 



Resistance 



and 



Current. 



23-29 

 23-48 

 23-29 

 23-34 



003 

 0-03 

 004 

 004 



0-035 



40,000 w. 

 0=25 



23:85 

 23-76 

 23-59 1 

 2356 



23-90 

 2380 

 23-63 

 23-61 



005 

 004 

 004 

 0-05 



0045 



4-7 



30,000 io. 

 0=33-3 



23-40 

 23-34 

 23-36 

 23-70 



23-49 

 23-42 

 23-42 

 23-76 



009 

 0-08 

 0-06 

 0-06 



0072 



7-5 



20,000 w. 

 C = 50 



22 75 

 2320 

 23-32 

 2331 



22-85 

 23 29 

 23-40 

 23-39 



o-io 



0-09 

 0-08 

 0-08 



0087 



90 



15,000 oj. 

 C=66-6 



48-00 

 47-85 

 47-78 

 47-55 



48-20 

 48-00 

 4795 



47-72 



0-20 

 0-15 

 0-17 

 U-J7 



0-172 



17-9 



10,000 w. 

 = 100 



46-40 

 46-25 

 46-10 

 4590 



46-82 

 46-65 

 46-52 

 4(5-52 



0-42 

 0-40 

 0-42 

 040 



0-410 



42-6 



3,000 w. 

 C=320 



45-40 

 45-40 

 45-10 

 44-97 



4595 

 4600 

 45-67 

 45-57 



0-55 

 060 

 0-59 

 0-60 



0-58 



60-8 



2,000 w. 

 C=470 



44-65 

 44-50 

 44 05 

 4450 



45-50 

 45-30 

 44-85 • 

 45-32 



0-85 

 0-80 

 0-80 

 0-82 



0-82 



85-0 



1,500 w. 

 C=625 



42-40 

 42 35 

 4210 

 41-50 



43 40 

 43-40 

 43-25 

 42-50 



3 00 

 1-05 

 1-10 

 105 



1-05 



109*0 



1,000 w. 

 C=890 



Voltage=l - 435 constant. 



