[D8227B], Letter from Charles Lorenzo Clarke to Thomas Alva Edison, May 9th, 1882
https://edisondigital.rutgers.edu/document/D8227B
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- Title
- [D8227B], Letter from Charles Lorenzo Clarke to Thomas Alva Edison, May 9th, 1882
- Editor's Notes
- 250 light machine ready for test. Fixed creeping and throwing of oil, "would not now be in the least detrimental to silk hats or dresses, which is quite a point for exhibition purposes." Brgs get "fearfully hot at speed" of 1250 rpm. Commutator is perfect; but double-width brushes "behaved badly after running half an hour..It is difficult to adjust the brushes so that one will not take a good part of the load." Dean making them one half thicker and will try agn. Will test 5th steam dynamo for Pearl St. tonight. Also work on street safety catch. Bergmann's price for field regulators for Pearl St is abt $135 ea, total $810. Armington & Sims aux engine is at Central Station. Work on street safety catches; 28 in place. "Kruesi is much delayed and the work has to be incompletely done for want of joints." No great change in the new meters. Will give result of test on new "pressure indicator" soon {voltage indicator? dh] Then should give Bergmann order for 23 asap. "So many lamps have failed in the testing room that the question of a fresh supply is serious."
- Author
- Clarke, Charles Lorenzo
- Recipient
- Edison, Thomas Alva
- Mentioned
- Batchelor, Charles
- Dean, Charles L
- Soldan, Gustav
- Grower, George Gordon
- Kruesi, John
- Bergmann, Sigmund
- Date
- 1882-05-09
- Type
- Letter
- Folder ID
- D8227-F
- Microfilm ID
- 61:430
- Document ID
- D8227B
- 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 61