[QE001A352A], Letter from Francis Robbins Upton to Thomas Alva Edison, October 1879

Item

Abstract

Regarding Weston's letter to Sci Am. The statement he quotes, that dynamo delivers 9/10 of energy to outside, has been practically proven to be true. Dynamo is like a battery. Offers mathematical proofs.

Date

1879-10-00

Decade

1870-1879

Type

Identifier

QE001A352A

Folder Set

QE001

Title

[QE001A352A], Letter from Francis Robbins Upton to Thomas Alva Edison, October 1879

Microfilm ID

115:840

Publisher

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

Timestamp

October 1, 1879