[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?]

Date

1879-04-10

Decade

1870-1879

Folder/Volume ID

D7929-F

Microfilm ID

51:466

Document ID

D7929ZBI

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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