[N088071], Technical Note, Albert Bledsoe Herrick, June 30th, 1880

Item

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Title

[N088071], Technical Note, Albert Bledsoe Herrick, June 30th, 1880

Editor's Notes

Odds and ends. 1092 is "microphone [illege] simple trial" but not clear for what. Misc calcs. 1095 is some device for ratchet to make regular indents on phono and also send signal over teleph line. Fr 1097 some sort of electric level; "[---] centre of gravity." Mystery sketches; notes on dynamos in mult arc. TAE: "Francis try one of the experiments I gave you last Saturday night."

Date

1880-06-30

Decade

1880-1889

Identifier

N088071

Folder Set

N088-F

Microfilm ID

35:1091

Publisher

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