[NV14084], Technical Note, Thomas Alva Edison, Charles Batchelor, April 12th, 1878

Item

Abstract

circuit diagram with multiple coils for single hand unit; witnessed by an R. MacKintosh who is he?

Date

1878-04-12

Decade

1870-1879

Subject

Identifier

NV14084

Folder Set

NV14

Title

[NV14084], Technical Note, Thomas Alva Edison, Charles Batchelor, April 12th, 1878

Microfilm ID

4:228

Publisher

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