[D8137ZAA], Letter from Thomas Logan to Thomas Alva Edison, May 6th, 1881

Item

Abstract

Record of laboratory work: brush holders for NYC, regulator lamps, disc armature, nickle mould for Haid, testing the boiler, copper cells, motor governor. For lamp factory: armatures, spring clamps for soldering wires, brushes for dynamos, furnace patterns, socket moulding machines. Ran Porter engine c. 470 rpm all day; liquid cooler seems to work well.

Author

Mentions

Date

1881-05-06

Decade

1880-1889

Type

Identifier

D8137ZAA

Folder Set

D8137

Title

[D8137ZAA], Letter from Thomas Logan to Thomas Alva Edison, May 6th, 1881

Microfilm ID

59:78

Publisher

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