[D8966ACB1], Letter from William S Logue to Alfred Ord Tate, August 16th, 1889


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[D8966ACB1], Letter from William S Logue to Alfred Ord Tate, August 16th, 1889

Editor's Notes

In compliance with your instructions I called on Mr F.W. Jones, of the Postal Telegraph and Cable Co, and arranged to try a Phonoplex circuit between New York and Olean N.Y. about 500 miles or over on one of the Quadruplex wires, On July 18th, we put up a set of instruments in the N.Y. office, after working three or four days trying to get rid of the intereference from the Quad, I called on Mr Edison, and explained what we had tried, he at once deccided that the Phono could not be worked on the wire on account of the way the Dynamo current was used, there being two clear breaks, one on the long and one on the short end.####We then deccided to try it on one of the Duplex wires No 10 B& S I reached Olean on July 26th but on account of wire trouble and the Postal men being very busy we did not get a test for two or three days, the test was not very satisfactory, the induction being terrible as bad as it was on the N.Y. and Waterbury circuit on the B & O lines. We tried for several days to overcome this but found that we could not do so, Olean could just hear N.Y. but it sounded like a buz say N.Y. said he could not hear a sound but induction. I then went to Binghamton which is very near the centre between N.Y. and Olean we worked fine with Olean and N.Y. got us O.K. (Binghamton was a terminal) was compelled to come to N.Y. to readjust the transmits--ter, I then went to Elmira and started that officec as a terminal (distance from N.Y. to Elmira by wire 300 miles or over) The ccircuit from Elmira to N.Y. with Binghamton on as an inter-mediate worked very well still the induction was pretty bad. We turned the circuit over to the Postal Co on Aug 15th.I left a set of instruments at Olean to be used by the Postal Co in case they should get short of wires west of Binghamton. Both Elmira and Binghamton officces are arranged to be worked as terminal intermediate.####Yours truly####W.S. Logue####[name mentions: Postal Telegraph Cable Co., Thos Edison, A.O. Tate, W.S. Logue, Baltimore & Ohio RR]





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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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