[QE001A352A], Letter from Francis Robbins Upton to Thomas Alva Edison, October 1879
https://edisondigital.rutgers.edu/document/QE001A352A
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[QE001A352A], Letter from Francis Robbins Upton to Thomas Alva Edison, October 1879
Editor's Notes
Regarding Weston's letter to Sci Am. The statement he quotes, that dynamo delivers 9/10 of energy to outside, has been practically proven to be true. Dynamo is like a battery. Offers mathematical proofs.
Supplied year and month
Author
Recipient
Mentioned
Date
1879-10-00
Type
Folder/Volume ID
QE001-F
Microfilm ID
115:840
Document ID
QE001A352A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University