[N046235], Technical Note, Thomas Alva Edison, Charles Batchelor, July 12th, 1879

Item

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Abstract

transmitter and new receiver; fr. 1245 find Hopkin's microphone in Sci Am, find Houston & Thompson repeater, find Hughes microphone

Date

1879-07-12

Decade

1870-1879

Subject

Identifier

N046235

Folder Set

N046

Title

[N046235], Technical Note, Thomas Alva Edison, Charles Batchelor, July 12th, 1879

Microfilm ID

32:1243

Publisher

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