[LB048183], Letter from Alfred Ord Tate to Edison General Electric Co Lamp Works, Francis Robbins Upton, March 11th, 1891
https://edisondigital.rutgers.edu/document/LB048183
Transcription
March 11, 1891. Francis R. Upton, Esq., General Manager, Lamp Mfg. Dep’t., Edison Gen’l. Electric Company, Harrison, N.J. Dear Sir:- Mr. Edison has read your letter of 10th instant, in regard to providing ventilation in the Lamp Test Room at the Laboratory. He has no objection to your putting a ventilator on the roof over the Test Room, and you can proceed with its erection any time. Yours very truly, (Signed A.O. Tate) Private Secretary.