[LB050062], Letter from Thomas Alva Edison to Edison General Electric Co, Samuel Insull, June 18th, 1891

https://edisondigital.rutgers.edu/document/LB050062

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Title

[LB050062], Letter from Thomas Alva Edison to Edison General Electric Co, Samuel Insull, June 18th, 1891

Date

1891-06-18

Type

Folder/Volume ID

LB050-F

Microfilm ID

142:353

Document ID

LB050062

Publisher

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

Transcription

June 18, 1891
Samuel Insull, Esq., Second Vice Pre’t
Edison Gen’l Electric Co.,
New York City,
Dear Sir:-
I beg to acknowledge the receipt of your letter from Mr. Arange, the General Manager of the Edison Spanish Colonial Light Company, in regard to non-carburated carbons.
What I did not understand in Mr. Arange’s previous letter was his statement to the effect that his friend carbonized the filament without carborating it. Mr. Arango’s use of the term “carborate” is the first time I have seen it applied in this sense. Had he “without flashing the filament,” I would have understood what he meant.
Perhaps Mr. Arange is not aware of the fact that we do not flash or carborate our filaments, and never did so. Our filaments are made without flashing; and as no one has ever yet equaled us in this respect, I Arange refers. There are a great many similar processes, many of which have been tried and proved to be failures; and as it takes six or eight months to determine absolutely the value of such a thing, and as our lamp test room is now full, I do not think it is desirable for us to undertake any new experiments in this direction.
Yours very truly,
Thos A. Edison
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