[N315127], Technical Note, Thomas Alva Edison, April 8th, 1886

Item

Abstract

p. 127 drawing "Quad phono Duplex; p. 129 drawing "sextuplex phonoplex"

Date

1886-04-08

Decade

1880-1889

Identifier

N315127

Folder Set

N315

Title

[N315127], Technical Note, Thomas Alva Edison, April 8th, 1886

Microfilm ID

42:1010

Publisher

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