[N124041], Technical Note, Francis Jehl, Francis Robbins Upton, November 21st, 1880

Item

Abstract

Testing lamps "Bast 5 hours Reg vac process 1 hr no spark." GAsoline carbons. [similar calcs, but not sure what they're for]

Date

1880-11-21

Decade

1880-1889

Identifier

N124041

Folder Set

N124

Title

[N124041], Technical Note, Francis Jehl, Francis Robbins Upton, November 21st, 1880

Microfilm ID

37:763

Publisher

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