[D8137ZBU], Letter from Thomas Logan to Thomas Alva Edison, July 13th, 1881

Item

Abstract

Laboratory work today. For Paris: new dynamo, "hammer motograph," photometer, altering instruments from NY, Porter engine experiments & belt shifters. For factory: commutators, armatures, spring clamps, model lamps. Also small dynamo for buoy, mining lamps, resistance lamps, & photometer for London.

Author

Date

1881-07-13

Decade

1880-1889

Type

Identifier

D8137ZBU

Folder Set

D8137

Title

[D8137ZBU], Letter from Thomas Logan to Thomas Alva Edison, July 13th, 1881

Microfilm ID

59:104

Publisher

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