[D8123ZFL], Letter from Francis Robbins Upton to Thomas Alva Edison, November 25th, 1881
https://edisondigital.rutgers.edu/document/D8123ZFL
PDF: Archive.org
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Metadata
- Title
- [D8123ZFL], Letter from Francis Robbins Upton to Thomas Alva Edison, November 25th, 1881
- Editor's Notes
- Wants TAE to come up and make experiments on spirals. Thinks that 13 or 14 lamps per hp at 16 candles is possible. For isolated systems, 75 ohms is enough and this results in greater economy.
- Author
- Upton, Francis Robbins
- Recipient
- Edison, Thomas Alva
- Date
- 1881-11-25
- Type
- Letter
- Subject
- Testing and quality control
- Folder ID
- D8123-F
- Microfilm ID
- 57:1009
- Document ID
- D8123ZFL
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 57