[D7919ZCH], Letter from Johnson Matthey & Co to Thomas Alva Edison, September 13th, 1879

Item

Abstract

Examined broken iridioplatinum wire TAE sent. Believe that iridium oxidized, weakening wire. Will try to correct this problem.

Date

1879-09-13

Decade

1870-1879

Type

Identifier

D7919ZCH

Folder Set

D7919

Title

[D7919ZCH], Letter from Johnson Matthey & Co to Thomas Alva Edison, September 13th, 1879

Microfilm ID

50:125

Publisher

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