[NS7802O], Technical Note, John Kruesi, July 27th, 1878

Item

Abstract

measured drawing of megaphone

Author

Date

1878-07-27

Decade

1870-1879

Identifier

NS7802O

Folder Set

NS7802

Title

[NS7802O], Technical Note, John Kruesi, July 27th, 1878

Microfilm ID

7:772

Publisher

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

Timestamp

July 27, 1878