[N172005], Technical Note, Francis Robbins Upton, October 12th, 1880

Item

Abstract

Lamp calcs. Fr 785 Problem: find dimensions of carbon having same surface and [?] times the resistance. Followed by pages of calcs relating to this general problem. Fr 795 notes on lot 2 lamps

Date

1880-10-12

Decade

1880-1889

Identifier

N172005

Folder Set

N172

Title

[N172005], Technical Note, Francis Robbins Upton, October 12th, 1880

Microfilm ID

39:784

Publisher

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

Timestamp

October 12, 1880