[N057227], Technical Note, Charles Batchelor, October 21st, 1880
https://edisondigital.rutgers.edu/document/N057227
PDF: Archive.org
CSV: Metadata
Metadata
- Title
- [N057227], Technical Note, Charles Batchelor, October 21st, 1880
- Editor's Notes
- Pump No 1. "Oct 20 got vac 41 min without lamp. Oct 21 Could not get vacuum as Hg wwent back without cause. Took down." Fr 1074 record when lamps put on, sealed off pump 2. Pump 3 same as #2, broke in handling. Pump 4 (fr 1076) gives 3 1/2 oz per min in vacuum. Then more lamps on pumps. Fr 1079 have pump #8 operating.
- Author
- Batchelor, Charles
- Date
- 1880-10-21
- Type
- Technical Note
- Subject
- Vacuum and glass bulb
- Folder ID
- N057-F
- Microfilm ID
- 33:1073
- Document ID
- N057227
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 33
- Item sets
- [N057-F] Notebook #57 N-80-03-06 (1880)