[LB050131], Letter from Thomas Alva Edison to New Jersey and Pennsylvania Concentrating Works, Henry M Livor, June 24th, 1891
https://edisondigital.rutgers.edu/document/LB050131
Transcription
Orange N.J. June 24th 1891 H.N. Livor Esq. Gen’l Manager, New Jersey & Penn’s Concentrating Works, Ogdensburgh N.J., Dear Sir:- I observe in the reports of the run of the mill which are sent to me daily that the percentage or iron in wailings or Mill No. 1 is abnormally high. On the 19th instant the loss was 9.38%. Mr. Dickerson goes to Ogden to-night, at my request, to find out the cause of this trouble, which must be corrected immediately . Yours very truly, (Signed) Edison, P.S. There is scarcely ever more than 10% in the tails, and even with scarcely any magnetism out get more than 1 ¾ unit out. E