[N314065] Technical Note, March 21st, 1886

Item

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Title

[N314065] Technical Note, March 21st, 1886

Editor's Notes

"For storage battery plates mould powdered Lead & dray Salt or other large crystal soluable salt by hydraulic pressure then disolve out--" [line] "Make collection of rare metals large quantities. Tellurium- Selenium- Vitrous & metallic, Cadmium- Thalium- Bismuth Antimony Tin, Arsenic, Molybdenum- Silicon & others-- Also [selemides?] phosphides, Tellurides, Sulphides, Arsenides"; p. 67 "Phonoplex Prolongation of the wave for long currents" (drawing); p. 69 "Phonoplex Reverse Current" (drawing); p. 71 "Phonoplex swing held by friction" (drawing); p. 73 "Phonoplex-- If get cheap condenser work phone thru condenser around magnet thus preventing change of adjustment by variation in strength line current--"

Date

1886-03-21

Decade

1880-1889

Identifier

N314065

Folder Set

N314-F

Microfilm ID

42:846

Publisher

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

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