[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

Date

1885-04-00

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
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