[D8137ZAD], Letter from Thomas Logan to Thomas Alva Edison, May 10th, 1881

Item

Abstract

Record of laboratory work: copper meter cells, regulator lamps f---one finished. Disc armature, nickle moulds for Haid, unspecified work on electric locomotive misc other jobs. For factory: socket moulds, armatures, dynamo brushes. Porter engine run all day high speed; steady 650 rpm for 2.5 hours this pm "I will put the magnets on in the morning." {So it's been running light all this time?}

Author

Mentions

Date

1881-05-10

Decade

1880-1889

Type

Identifier

D8137ZAD

Folder Set

D8137

Title

[D8137ZAD], Letter from Thomas Logan to Thomas Alva Edison, May 10th, 1881

Microfilm ID

59:80

Publisher

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