[NE1694037], Technical Note, Edward Hibberd Johnson, September 4th, 1876

Item

Abstract

to top p. 40: Motograph: chalk drum w/traveling pen fails to work; max friction is key, not pressure; change shape and orientation of point; caustic soda good -- annotate with 6 Sept notes on paper on bottom p. 40

Date

1876-09-04

Decade

1870-1879

Identifier

NE1694037

Folder Set

NE1694

Title

[NE1694037], Technical Note, Edward Hibberd Johnson, September 4th, 1876

Microfilm ID

3:297

Publisher

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