[LB063261], Letter from Thomas Alva Edison to Ford Bacon and Davis, October 21st, 1898
https://edisondigital.rutgers.edu/document/LB063261
Transcription
October 21st, 1898 Messrs Ford, Bacon & Davis, Engineers for Kray Walker & Company 150 & 132 Pearl Street New York City Dear Sirs:- In compliance with your request of this data, I desire hereby to certify that the installation which you are now proposing to make the Far East of the Edison Three-wire system for electric lighting will, if constructed in accordance with such plans and regulations as now used in this country, not only prove one of the most efficient installations possible, but will also give a degree of safety and durability not to be found in any other electric lighting installation which you could make, besides possessing also a flexibility which will enable you propose is the simplest and safest known and the entire lighting can be readily controlled by the City’s officials at any given point or place by using proper switch device for turning the electric current on or off. The above remarks regarding safety and efficiency will also supply for an electric tramway installation. Yours very truly, Thomas A. Edison