[D7919ZBE], Letter from Johnson Matthey & Co to Thomas Alva Edison, July 7th, 1879

Item

Abstract

Can't yet draw osmium platinum alloy wire, but still working at it.

Date

1879-07-07

Decade

1870-1879

Type

Identifier

D7919ZBE

Folder Set

D7919

Title

[D7919ZBE], Letter from Johnson Matthey & Co to Thomas Alva Edison, July 7th, 1879

Microfilm ID

50:82

Publisher

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