[NV17045], Technical Note, Charles Batchelor, Thomas Alva Edison, January 29th, 1878

Item

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Abstract

phono as alarm; Batch just tried it its OK loud

Date

1878-01-29

Decade

1870-1879

Identifier

NV17045

Folder Set

NV17

Title

[NV17045], Technical Note, Charles Batchelor, Thomas Alva Edison, January 29th, 1878

Microfilm ID

4:914

Publisher

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