[N238055], Technical Note, John F Ott, June 27th, 1882
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Title
[N238055], Technical Note, John F Ott, June 27th, 1882
Editor's Notes
"Continuation of Experiment June 19. 1882 with Brass brushes Resistance of leading wires Temp" Dwg shows Wheatstone Bridge with 1/10 ratio on two of the legs. Tests of brushes made from various metals/alloys: tin and copper, yellow brass, zinc, babbit metal, lead, phosphor bronze, steel, copper, tin, cast iron, german silver. All tests use the same Wheatstone bridge configuration with 1/10 ratio in one leg, and unknown quantity "x" in another leg. Also notes: "verry unsteady" or "extremely steady"
Author
Date
1882-06-27
Type
Subject
Folder/Volume ID
N238-F
Microfilm ID
41:602
Document ID
N238055
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University