The Thomas A. Edison Papers Digital Edition

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Metadata

Title

[LB009373], Letter from Thomas Alva Edison to Edward Hibberd Johnson, November 27th, 1881

Editor's Notes

Continuation of letter of 23rd. Voltage regulation when throw off a dynamo in a battery of them. Answers EHJ's questions about regulation.. Use mercury on dynamo; "it is essential for the successful running of a Dynamo (& all our men are now taught so) that before starting up the brushes should be taken off on the ends, nicely cleaned and set exactly right.." "I suppose you intend to carry out in every particular the Safety Catch business. This is growing in importance every day here." Working on indicator for isolated plants "for notifying when the lights go beyond eight or sixteen candles.." "I do not see how you got Preece. I supposed he was dead against me." Do you really think he thought Hughes microphone worked on different principle than carbon telephone? Was "my tirade against him..too severe to permit of his acknowledging that he did not at first understand the principle involved." Don't tie up with any competitor. Gas vs. electric comparison for London. TAE doesn't like Faure batty. poss select…………… 14 pages though.

Author

Edison, Thomas Alva

Recipient

Johnson, Edward Hibberd

Mentioned

Faure Electric Accumulator Co

Bergmann & Co

Villard, Henry

Clarke, Charles Lorenzo

Hughes, David Edward

Kingsbury, John E

Fabbri, Egisto Paolo

Swan, Joseph Wilson

Eaton, Sherburne Blake

Insull, Samuel

Hammer, William Joseph

Preece, William Henry

Date

1881-11-27

Type

Letter

Subject

Competition and market structure

Gas, petroleum, and derivative products

Electric battery

Electric light and power

Dynamos and generators

Electrical distribution system

Folder ID

LB009-F

Microfilm ID

81:134

Document ID

LB009373

URL

https://edisondigital.rutgers.edu/document/LB009373

Rights

Thomas Edison National Historical Park

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 81

Item sets

[LB009-F] LB-009 (1881-1882)