[D7941ZHI], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 1st, 1879

Item

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Abstract

"Discovered method work call with transmitter battery. Trivial change. Bergmann's work splendid. Hundred testable Tuesday. With our way working chalks perfectly constant."

Date

1879-11-01

Decade

1870-1879

Type

Identifier

D7941ZHI

Folder Set

D7941

Title

[D7941ZHI], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 1st, 1879

Microfilm ID

52:883

Publisher

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