[D8137J], Letter from Thomas Logan to Thomas Alva Edison, April 12th, 1881

Item

Abstract

Report on laboratory work: dies for hydraulic press, magnets & governors for 5 HP machine, armature with new discs, nickel mould for Haid, pipes for Haid. For lamp factory, nickel forms, altering rubber mould, commutator of large machine, annealing machines. Porter engine running the same.

Author

Mentions

Date

1881-04-12

Decade

1880-1889

Type

Identifier

D8137J

Folder Set

D8137

Title

[D8137J], Letter from Thomas Logan to Thomas Alva Edison, April 12th, 1881

Microfilm ID

59:69

Publisher

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