[NM020AAC], Technical Note, Thomas Alva Edison, April 1885
https://edisondigital.rutgers.edu/document/NM020AAC
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Title
[NM020AAC], Technical Note, Thomas Alva Edison, April 1885
Editor's Notes
"Dick On regular Morse set in drawing you show 2 relay one of which you call sounder it is customary to make sounder different from Relay thus" (drawing follows) - might be useful for us in figuring out what is a sounder and what a relay in TAE drawings
Author
Mentioned
Date
1885-04-00
Type
Subject
Folder/Volume ID
NM020-F
Microfilm ID
44:661
Document ID
NM020AAC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University