[N150043B], Technical Note, John F Ott, March 6th, 1883

Item

Abstract

made carbon clamp by winding wire on a flat mandrill then placing a flat wedge alongside the carbon. P. 43 "Made meter after the following principle:" looks like mercury diffused through "porous substance." Made safety plugs as follows. P. 49 made lamp with two spirals and one carbon [sketch]

Author

Date

1883-03-06

Decade

1880-1889

Identifier

N150043B

Folder Set

N150

Title

[N150043B], Technical Note, John F Ott, March 6th, 1883

Microfilm ID

39:101

Publisher

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