[D8137ZAI], Letter from Thomas Logan to Thomas Alva Edison, May 17th, 1881

Item

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Abstract

Record of laboratory work (no indication of man-hours): models of lamps for Paris, regulator lamps, copper cells, unspecified work on Porter engine. Factory: making & altering socket machines, mach for painting sockets, "thousandths gauge" for fibers, plumbago moulds on press, winding armature, dynamo brushes.

Author

Date

1881-05-17

Decade

1880-1889

Type

Identifier

D8137ZAI

Folder Set

D8137

Title

[D8137ZAI], Letter from Thomas Logan to Thomas Alva Edison, May 17th, 1881

Microfilm ID

59:82

Publisher

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