[D8137ZAB], Letter from Thomas Logan to Thomas Alva Edison, May 7th, 1881

Item

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Abstract

Record of laboratory work: testing boiler, regulator lamps, copper cells, disc armature, motor governor, nickle mould for Haid. For factory: armatures, socket machines, boring pulley, dies for press. "Porter engine run all days had it running one time 800 and 750 for about one hour."

Author

Mentions

Date

1881-05-07

Decade

1880-1889

Type

Identifier

D8137ZAB

Folder Set

D8137

Title

[D8137ZAB], Letter from Thomas Logan to Thomas Alva Edison, May 7th, 1881

Microfilm ID

59:79

Publisher

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