[N012011] Technical Note, December 1878

https://edisondigital.rutgers.edu/document/N012011

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Title

[N012011] Technical Note, December 1878

Editor's Notes

Upton notes on "Running 45[degree sign] Gramme machine Ex with batt-- Gramme machine 3 cells carbon Batt 45[degree sign] Bradley. When assisted ie turned in same direction the current can be brought to zero and then there is no spark by turning it further deflection in the opposite direction" followed pages of drawings current diagrams, Gramme diagram, lines of force diagram, non-commutator attempts, Faraday loops, currents on Gramme, attempt at a machine for multiplying magnetism [these may all date from 1878, see Vol. 16 magneto multiplier design]; notes that follow on resistance and heating of platinum spirals may be from Dec but prob from Jan or Feb 1879
Supplied year and month

Date

1878-12-00

Folder/Volume ID

N012-F

Microfilm ID

30:121

Document ID

N012011

Publisher

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