[N114133], Technical Note, Francis Robbins Upton, August 30th, 1880

Item

Abstract

"Motors" sketches unclear. FR 67 "Estimate of Motors. Mr Edison makes condition that at 1000 r.p.m. the motor shall give 96 volts. Small wrought iron motor gives 65 volts at 1640 revo. 6 times to division." {HUH? Specifing the potential drop a motor will present in a circuit?] fr 69 cost annually of copper (for meters) deposited at rate of 1 ct per day; magnet windings, webers, etc. probably for dynamos.

Date

1880-08-30

Decade

1880-1889

Identifier

N114133

Folder Set

N114

Title

[N114133], Technical Note, Francis Robbins Upton, August 30th, 1880

Microfilm ID

37:63

Publisher

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