[D8123ZCG], Letter from Francis Robbins Upton to Thomas Alva Edison, June 8th, 1881

Item

Abstract

16 candle lamps still burning: 10 per horsepower have passed 146 hours; 8 3/4 per HP have passed 635 hours. Reports some trouble with steam engine.

Date

1881-06-08

Decade

1880-1889

Type

Identifier

D8123ZCG

Folder Set

D8123

Title

[D8123ZCG], Letter from Francis Robbins Upton to Thomas Alva Edison, June 8th, 1881

Microfilm ID

57:904

Publisher

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

Timestamp

June 8, 1881