[D8636D], Memorandum, Hugh De Coursey Hamilton, March 20th, 1886
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Title
[D8636D], Memorandum, Hugh De Coursey Hamilton, March 20th, 1886
Editor's Notes
Record of work at lab to be included in telegram to TAE [see D8636B]; 25 small condensers finished and sent to RTT Co.; now making experimental ones with different grades of tissue paper.###Hydraulic press set up in Brooklyn; machine for mixing carbon received from Goerck St. and is now working.###All instruments re: Phonoplex here from Bergmann and improvements made to keep "weight from shifting & changing tone."###Experiments made on phonoplex battery & new form adopted; R.R. lamp experiment completed & inspected by Insull; Bunnell underbids WE on condensers. [The end of this memorandum appears in [D8636E]
Author
Date
1886-03-20
Type
Folder/Volume ID
D8636-F
Microfilm ID
79:1048
Document ID
D8636D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University