[D8123ZDP], Letter from Francis Robbins Upton to Thomas Alva Edison, August 26th, 1881

Item

Abstract

Pulsating device on pump does not work. Haid's analysis shows that the black powder is mercury sulfide with traces of copper, iron, and lead. Wants now to focus on experiments to improve reliability of the pumps. Gives details of the work several employees are performing and their progress. Consider for inclusion: gives view of organization and work in lab. (DH)

Mentions

Date

1881-08-26

Decade

1880-1889

Type

Identifier

D8123ZDP

Folder Set

D8123

Title

[D8123ZDP], Letter from Francis Robbins Upton to Thomas Alva Edison, August 26th, 1881

Microfilm ID

57:951

Publisher

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

Timestamp

August 26, 1881