[NS7803M], Technical Note, Thomas Alva Edison, Charles Batchelor, September 18th, 1878

Item

Abstract

tsts of discs pressed singly and together

Date

1878-09-18

Decade

1870-1879

Identifier

NS7803M

Folder Set

NS7803

Title

[NS7803M], Technical Note, Thomas Alva Edison, Charles Batchelor, September 18th, 1878

Microfilm ID

7:794

Publisher

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