[N317101], Technical Note, Thomas Alva Edison, April 13th, 1886
https://edisondigital.rutgers.edu/document/N317101
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Metadata
- Title
- [N317101], Technical Note, Thomas Alva Edison, April 13th, 1886
- Editor's Notes
- p. 101 "Device for automatically indicating depth water on steamers continuously also an alarm by gal needle swinging to a stop & closing bell ckt (drawing); p. 103 "Testing quality & homogeneity & for flaws of steel or Iron stafts (drawing) Compass recd on a Torsion slides along near shaft if shaft homogenous the Zero point will be constant if a flaw there will be a consequent pole & produce a dip in the curve There are many variations possible here"; p. 105 drawing "Expansion Engine principle Hydraulic press big cylinder full copper tubes very thin & 1/32@1/64-- 3/16 bore cylinder 15 inches dia of copper heavy copper ends-- 2 feet long-- Hot water 212 let up in then run back into hot boiler & cold let thro & so on all auto= Bi Sul Carbon or another good expansible liquid to be used"; p. 107 drawing "Expansion Engine Hot & cold H2O passed alternately through the multiple pulley engine
- Author
- Edison, Thomas Alva
- Date
- 1886-04-13
- Type
- Technical Note
- Folder ID
- N317-F
- Microfilm ID
- 43:53
- Document ID
- N317101
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 43
- Item sets
- [N317-F] N-86-04-03.3 (1886)