[D8430Q], Letter from Francis Robbins Upton to Thomas Alva Edison, April 22nd, 1884
https://edisondigital.rutgers.edu/document/D8430Q
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Metadata
- Title
- [D8430Q], Letter from Francis Robbins Upton to Thomas Alva Edison, April 22nd, 1884
- Editor's Notes
- In reply to TAE's of 15th inst. I submit the following table proposed bhy Howell. 500 lamps burned at constant pressure and giving an average life of 600 hours would probably break as follows. The lamps being renewed as broken. [Table of Total Hours run and Total Lamps broken, with comments follows]
- Author
- Upton, Francis Robbins
- Recipient
- Edison, Thomas Alva
- Mentioned
- Howell, John White
- Date
- 1884-04-22
- Type
- Letter
- Folder ID
- D8430-F
- Microfilm ID
- 73:534
- Document ID
- D8430Q
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- License
- CC0 1.0 Universal
- Has Version
- Archive.org Viewer, Microfilm Series Reel 73