[N143237], Technical Note, Thomas Peters Conant, June 9th, 1883
https://edisondigital.rutgers.edu/document/N143237
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- Title
- [N143237], Technical Note, Thomas Peters Conant, June 9th, 1883
- Editor's Notes
- "Experiment on the weighing of zinc meter plates, the object being to devise a balance whose action shall be extremely rapid and which shall at the same time weigh within a few say 5 to 10 mgs. of the correct weight." 1st idea was to use a spring instead of weights; and read deflection by means of a reflected spot of light [similar to Thomson mirror galvanometer?]. Sketch of this is on p. 239. Tried various springs. Tradeoff between sensitivity of spring and getting stretched out of shape/tension. p. 247: "With regard to weighing by the hydrometer, the same trouble occurs," that is, will show effect of a light weight but a heavy weight will "push it out of sight." Sketch of this on p. 249. [this is presumably not for use at customers' installations, but say at office where plates would be removed and taken]
- Author
- Conant, Thomas Peters
- Date
- 1883-06-09
- Type
- Technical Note
- Folder ID
- N143-F
- Microfilm ID
- 38:788
- Document ID
- N143237
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 38
- License
- CC0 1.0 Universal