[D8020ZEL], Letter from George Clark to Thomas Alva Edison, April 28th, 1880
https://edisondigital.rutgers.edu/document/D8020ZEL
PDF: Archive.org
CSV: Metadata
Metadata
- Title
- [D8020ZEL], Letter from George Clark to Thomas Alva Edison, April 28th, 1880
- Editor's Notes
- Wrote earlier about his air pump; now perfected. Fully exhausts 9 cu inches in 3 min by hand. "Peculiar construction;" only 2 valves outside mercury cylinder. Interested in seeing?
- Author
- Clark, George
- Recipient
- Edison, Thomas Alva
- Date
- 1880-04-28
- Type
- Letter
- Subject
- Vacuum and glass bulb
- Folder ID
- D8020-F
- Microfilm ID
- 53:743
- Document ID
- D8020ZEL
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 53