[N080001], Technical Note, Thomas Alva Edison, June 12th, 1879
https://edisondigital.rutgers.edu/document/N080001
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Metadata
- Title
- [N080001], Technical Note, Thomas Alva Edison, June 12th, 1879
- Editor's Notes
- Experiments on chemical telephone, connections transmitting end and discussion also notes a bug; problem of polarization with 2 chalks expts on this problem; fr. 494 "We propose to do away with the switch & ring the bell through the coil by our little multiple battery, New buttons listed and test results, fr. 496 "It is probable that every solution will requrie a different polarizing current, chalks seems to require 3/4 or 1/2 Daniel, salt 1/20 of a Daniel roughly speaking"; finds common salt best also sulphate baryta first class
- Author
- Edison, Thomas Alva
- Date
- 1879-06-12
- Type
- Technical Note
- Folder ID
- N080-F
- Microfilm ID
- 35:485
- Document ID
- N080001
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 35