[D8444A], Letter from Harry Mather Doubleday to Edison (Thomas A.) Construction Dept, January 1st, 1884
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Title
[D8444A], Letter from Harry Mather Doubleday to Edison (Thomas A.) Construction Dept, January 1st, 1884
Editor's Notes
[SELECTABLE DRAFT REPLY] ]Replies to his of 28th containing check. wrt swinging brackets. and using galvanometer as voltage indicator. TAE marg: "The reason of the change in the pressure indicator Lamps is due to deposit carbon on surface of platina wire we are having the platina wires coated with Carbon & think these Lamps will be constant"
Author
Recipient
Date
1884-01-01
Type
Folder/Volume ID
D8444-F
Microfilm ID
74:876
Document ID
D8444A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University