[NS7704ZCK], Technical Note, James Adams, Thomas Alva Edison, July 5th, 1877
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Title
[NS7704ZCK], Technical Note, James Adams, Thomas Alva Edison, July 5th, 1877
Editor's Notes
Autographic telegraph and embossing translator: 3 pp. embossing parafin for autographic, use elec pen and Wheatstone jacquard plan of sending for autographic, write with sticking ink and dust with plumbago and 2 pens to close circuit; propose to make grooves widerand put repeating point one or two line behind indenter, oil embossing paper, instead embossing in paper use thin copper or other metallic foil, use limiting pin; embossing point made to repeat
Author
Date
1877-07-05
Type
Subject
Folder/Volume ID
NS7704-F
Microfilm ID
7:701
Document ID
NS7704ZCK
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University