[N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880

Item

Abstract

More lot 1 factory lamp tests. Same as before. Fr 550 begins summary table---candlepower? Then index. FR 554 is table of foot/pounds, measured before and after. Fr 558 summary table of how many lamps fall in given ranges of ftlbs, ohms.

Date

1880-10-05

Decade

1880-1889

Identifier

N119191

Folder Set

N119

Title

[N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880

Microfilm ID

37:541

Publisher

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