[SB177277e], Clipping, April 10th, 1860
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Title
[SB177277e], Clipping, April 10th, 1860
Bibliographic Citation
"Patent No. 27,770", April 10th, 1860
Editor's Notes
John M. Batchelder - improvement in compounds for insulating telegraph wires
Date
1860-04-10
Type
Folder/Volume ID
SB177-F
Microfilm ID
27:115
Document ID
SB177277e
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University