[D8636D], Memorandum, Hugh De Coursey Hamilton, March 20th, 1886

Item

Abstract

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]

Date

1886-03-20

Decade

1880-1889

Type

Identifier

D8636D

Folder Set

D8636

Title

[D8636D], Memorandum, Hugh De Coursey Hamilton, March 20th, 1886

Microfilm ID

79:1048

Publisher

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