[NV14043] Technical Note, February 20th, 1878

Item

Abstract

Coil design notes and phono tin foil to show principle

Date

1878-02-20

Decade

1870-1879

Identifier

NV14043

Folder Set

NV14

Title

[NV14043] Technical Note, February 20th, 1878

Microfilm ID

4:184

Publisher

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