[LB006623], Letter from Charles Lorenzo Clarke to William Lee Church, December 6th, 1880

Item

Abstract

The iron of the armature will weigh 2300 pounds and upoin its face will be 270 lbs. of copper. The copper discs which go upon the sleeve at each end of the armature will weigh approximately 400 lbs. each. There are two of them and they are of a uniform density from a diameter of 8 inches out to a diameter of 22 inches. The sketch [shown] will show the disposition of material in the armature.

Date

1880-12-06

Decade

1880-1889

Type

Identifier

LB006623

Folder Set

LB006

Title

[LB006623], Letter from Charles Lorenzo Clarke to William Lee Church, December 6th, 1880

Microfilm ID

80:433

Publisher

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

Item sets