[D8220L], Letter from Robert H Engle to Thomas Alva Edison, April 17th, 1882
https://edisondigital.rutgers.edu/document/D8220L
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Title
[D8220L], Letter from Robert H Engle to Thomas Alva Edison, April 17th, 1882
Editor's Notes
"Please be kind enough to tell me where I can purchase one of your small incandescent electric lamps and the best form and number of cells of battery required to operate it successfully. The lamp to which I allude is the one where a spiral carbon is suspended in a vacuum in a glass bulb."
Author
Recipient
Date
1882-04-17
Type
Subject
Folder/Volume ID
D8220-F
Microfilm ID
60:765
Document ID
D8220L
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University