[LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887

Item

Abstract

I have your letter of the 26th of August. The principle which I employ is not thermo-electric. The apparatus is based upon the heating and cooling of iron to increase and diminish its magnetism.

Recipient

Date

1887-09-14

Decade

1880-1889

Type

Identifier

LB025091A

Folder Set

LB025

Title

[LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887

Microfilm ID

138:222

Publisher

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