[N315199], Technical Note, Thomas Alva Edison, April 23rd, 1886
https://edisondigital.rutgers.edu/document/N315199
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Metadata
- Title
- [N315199], Technical Note, Thomas Alva Edison, April 23rd, 1886
- Editor's Notes
- p. 199 drawing "Fundamental see if the EMF os exactly same in tube without & with a very high vacuum"; pp. 201-3 drawing "Fundamental Exhaust fill with H exhaust & fill sevl times, then with ordinary Barometer gauge start pump & take EMF at 2 with X open until pump has been hour beyond reading by ordinary gauge break vac by letting in H & commence again make curve with X closed say 500 ohms-- also repeate at different resistances keep current same ie 20 c at high exhaustion also keep CP same 20 during all exhaustions & run curves with X open & closed-- also try dif gases Try a platinum Loop & Center plat wire-- also-- Iron Loop & Center platinum wire Use a regular lamp & make two center when exactly alike in length & size & relative position one plat one zinc see if diference"; p. 205 drawing "glass tube with wire in 10 or fifteen turns, vacuum in tube, see which is strongest with or without vacuum" (drawings); pp. 206-7 drawings; p. 209 drawings "Fundamental Ascertain if with a given vacuum manipulating L of F increases or decreases pressure--"; rest of book no dates: pp. 210-11 drawing appear to be magnets showing atoms; pp. 213-63 drawings, notes, and calcs re orbits and lines of force of planets in solar system
- Author
- Edison, Thomas Alva
- Date
- 1886-04-23
- Type
- Technical Note
- Folder ID
- N315-F
- Microfilm ID
- 42:1046
- Document ID
- N315199
- 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 42
- Item sets
- [N315-F] N-86-04-03.1 (1886)