[D8137ZAM], Letter from Thomas Logan to Thomas Alva Edison, May 20th, 1881

Item

Abstract

Record of laboratory work: copper cells for meters, electric rwy, lamps and instruments for Paris, repair Haid's nickle moulds. For factory: soldering fixture, planing base for dynamo, plumbago moulds, mach for painting sockets, fiber gauges & tools, socket moulds, socket machine alterations. Direct converter run all day average speed 600 rpm----had it much higher. Runs well now without the current.

Author

Mentions

Date

1881-05-20

Decade

1880-1889

Type

Identifier

D8137ZAM

Folder Set

D8137

Title

[D8137ZAM], Letter from Thomas Logan to Thomas Alva Edison, May 20th, 1881

Microfilm ID

59:84

Publisher

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