Current loith a Magneto-Telephone Transmitter. 401 



Table XI. 

 Core, Norway Iron. — Diapliragin, Steel, No. 22, Untempered. 



Strength of 



Induced 



Strength of 



Induced 



field. 



current. 



field. 



current. 



•007 



6^2 



•272 



36-7 



■023 



8-0 



•302 



34-8 



•070 



17-3 



•340 



330 



•103 



23-0 



•392 



29-7 



•121 



26-4 



•458 



26-3 



•139 



30-1 



•538 



23-2 



•\f>7 



32-8 



•566 



230 



•176 



35^0 



•647 



217 



•202 



3rl 



•773 



19 8 



•224 



34-9 



1 1046 



17-6 



•246 



37-0 







Table XII. 

 Core, Norway Iron. — Diaphragm, Steel, No. 30, Tempered. 



Strength of 



Induced 



Strength of 



Induced 



field. 



current. 



field. 



current. 



•007 



62 



•272 



36-7 



•023 



80 



•302 



34-8 



•070 



17-3 



•340 



330 



•103 



23 



•392 



29-7 



•121 



26^4 



•458 



26-3 



•139 



301 



•538 



232 



•157 



32-8 



•566 



230 



•176 



350 



•647 



21-7 



•202 



37-1 



•773 



19^8 



•224 





1046 



17-6 



•246 



3'f6 



1 





Table XII I. 



Core, Norway Iron. — Diaphragm, Steel, No. 30, Untempered. 



Strength of 



Induced 



Strength of 



Induced 



field. 



current. 



field. 



current. 



■005 



5-2 



1 -.331 



312 



•031 



11-7 



•376 



28^9 



•082 



242 



•437 



260 



•103 



29^7 



[ -512 



233 



•130 



37^7 



I 632 



20^4 



•160 



41 9 



•735 



19^7 



•200 1 



38-3 



•819 



180 



•231 1 



36 2 



•956 



163 



•272 1 



352 







Fhil. May. S. 5. Vol. 27. No. 1G8. May 1889. 2 D 



