[D7929ZBI], Patent Caveat, Thomas Alva Edison, April 10th, 1879
https://edisondigital.rutgers.edu/document/D7929ZBI
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Title
[D7929ZBI], Patent Caveat, Thomas Alva Edison, April 10th, 1879
Editor's Notes
Thermal expansion lamp regulator; drawing and description. [Filmed as "attachment"---to following LWS letter?]
Author
Date
1879-04-10
Type
Folder/Volume ID
D7929-F
Microfilm ID
51:466
Document ID
D7929ZBI
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University