[N082109], Technical Note, Francis Jehl, Francis Robbins Upton, April 9th, 1880

https://edisondigital.rutgers.edu/document/N082109

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Title

[N082109], Technical Note, Francis Jehl, Francis Robbins Upton, April 9th, 1880

Editor's Notes

dynamo tests using TAE dynamometer and electrodynamometer. Fr 650 "Results: The strength of the current varied during this owing to the heating of the sulphate of coper solution;" measure 116,000 ft/lbs by dynamometer; 125,000 by calorimeter "due to the fact that the dynometer test was not made until after the current had decreased." Measure 136,000 [ft/lbs] by current. More experiments, some with "plugged generator" (which seems to refer to a water jacket; they "pulled plug" then took water temp).

Date

1880-04-09

Folder/Volume ID

N082-F

Microfilm ID

35:645

Document ID

N082109

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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