[SB177107a], Clipping, March 31st, 1868
https://edisondigital.rutgers.edu/document/SB177107a
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Title
[SB177107a], Clipping, March 31st, 1868
Bibliographic Citation
"Patent No. 76,157", March 31st, 1868
Editor's Notes
Edward A. Calahan - telegraphic indicator - patent dated March 31, 1868; antedated March 23, 1868
Date
1868-03-31
Type
Folder/Volume ID
SB177-F
Microfilm ID
27:44
Document ID
SB177107a
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University