[N008016], Technical Note, Francis Robbins Upton, April 1879

https://edisondigital.rutgers.edu/document/N008016

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Title

[N008016], Technical Note, Francis Robbins Upton, April 1879

Editor's Notes

in reference to meter development--several pages citing various refs, particularly Wiedermann, Clark & Sabine, and Encyclopedia Britannica, authorities mentioned are Weber, Joule, Bunsen, Casselman, Kohlrausch, regarding decomposition of Daniells cell, notes an error in several refs that he determines is off by 1/10, Clark & Sabine refs [see p. 10] have Upton marg notes, this is signed and dated April 1879 by Upton; following this are further notes and calcs by Upton on decomposition as a measurement of current, also citing many of same and some other refs; also notes and calcs on internal and external resistance of generators; notes on Determination of Gramme Machine running 1060 Revolutions per minute including constant of dynamometer calculation in relation to efficiency and voltage of dynamo and to meter measurement, also new machine efficiency; table of ohms, volts and webers for Gramme machine summarizing several pages of notes (p. 105 fr. 850)

Date

1879-04-00

Folder/Volume ID

N008-F

Microfilm ID

29:807

Document ID

N008016

Publisher

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