[N085139], Technical Note, Francis Robbins Upton, October 13th, 1879
https://edisondigital.rutgers.edu/document/N085139
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Metadata
- Title
- [N085139], Technical Note, Francis Robbins Upton, October 13th, 1879
- Editor's Notes
- Geissler used until light from both oles. Hg. in Springel then turned on and allowed to run very fast. Good vacuum to stop small spark in an hour.; silica coated spiral tests, problem with MacCleod gauge; fr. 860 results of 13 Oct "Spiral covered with silica so that there was a thick coating completely hiding the form of the wire. Dead white fluffy. comenced at 5 pm very weak currents" table of results follows, fr. 861 spiral broak at leading wires was briht and seen under microscope to be covered with briht glaze
- Author
- Upton, Francis Robbins
- Date
- 1879-10-13
- Type
- Technical Note
- Folder ID
- N085-F
- Microfilm ID
- 35:852
- Document ID
- N085139
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 35
- Item sets
- [N085-F] Notebook #85 N-79-08-22 (1879)