[NS7802P], Technical Note, Charles Batchelor, John Kruesi, August 1878

Item

Abstract

megaphone detail

Date

1878-08-00

Decade

1870-1879

Identifier

NS7802P

Folder Set

NS7802

Title

[NS7802P], Technical Note, Charles Batchelor, John Kruesi, August 1878

Microfilm ID

7:773

Publisher

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

Timestamp

August 1, 1878