[D7937ZAY], Letter from Spang Chalfant & Co, Norman Spang to Thomas Alva Edison, May 22nd, 1879

Item

Abstract

Pennsylvania man recommends North Carolina muscovite (mica) in telephones; has distinctive metallic ring. Has no material interest in mica and will send samples. Marg: "Ask for cost of 100 sheets of this thickness exact."

Date

1879-05-22

Decade

1870-1879

Type

Identifier

D7937ZAY

Folder Set

D7937

Title

[D7937ZAY], Letter from Spang Chalfant & Co, Norman Spang to Thomas Alva Edison, May 22nd, 1879

Microfilm ID

52:58

Publisher

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