[D7719ZAF], Letter from Thomas B A David to Thomas Alva Edison, August 14th, 1877

Item

Abstract

Discusses telephone matters -- arrived at solution he thought TAE would with thicker diaphragm -- wishes could have stayed for all expts

Date

1877-08-14

Decade

1870-1879

Type

Subject

Identifier

D7719ZAF

Folder Set

D7719

Title

[D7719ZAF], Letter from Thomas B A David to Thomas Alva Edison, August 14th, 1877

Microfilm ID

14:858

Publisher

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