[D8805AAJ2], Letter from Thomas Alva Edison to Arthur Edwin Kennelly, January 1888


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[D8805AAJ2], Letter from Thomas Alva Edison to Arthur Edwin Kennelly, January 1888

Editor's Notes

[TAE autograph] "Sir Frederick Bramwell desires to deliver a lecture before the Royal Institution on some of my inventions. He desires descriptions, and such appatratus as I can furnish him Mr. Hamilton will leave for England in about 3 weeks with the phonograph to leave my agent there--Mr. H can be shewn here before he goes to work the apparatus. The following I want got ready with descriptions." Seven-page descriptive list follows: motograph mirror galv; motograph relay; magnetic bridge; motograph telephone; volt indicator zero method made by lamp factory; phonoplex system; railroad induction teleg; new municipal lamp with central wire (lamp factory); continuous current transformer [one of the new motors driving a commutator, with a dozen induction coils in circle like a gramme ring & commutated. Speak to me about this so I can get John Ott to design it]###Get through Batchelor who will obtain from Machine Works the data about new rotating continuous current transformer tested at Machine Works]; "new system of working train car railroad" 2,000 volts reduced to 15 volts; working models of pyromag motor and generator; 100-foot magnet.
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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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