[N206249] Technical Note, January 20th, 1883
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Title
[N206249] Technical Note, January 20th, 1883
Editor's Notes
sketch "Telephone worked by capillarity ("porous" diaphragm between two electrodes in transmitter); then few notes on "Absorbing HCl gas.. Phosphoric anydride must be used as drier."
Author
Date
1883-01-20
Type
Subject
Folder/Volume ID
N206-F
Microfilm ID
40:743
Document ID
N206249
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University