Unsigned handwritten note in pencil by Edison, one page, lightly lined, 5.5 x 8.75, no date but circa late 1916. The note, addressed to his associate Peter C. Christensen, in full: "Have [James T.] Phelan send me up by Ed 25 lbs of fine zinc dust used for Benzidine—." Lower portion bears a provenance notation dated March 29, 1951, in full: "The preceding memorandum is in the handwriting of Thomas A. Edison, written late 1916 when I was working as a chemist with him in his laboratory at West Orange, New Jersey. Richard G. Berger. 1928 North Ave., Bridgeport, Conn." Memo bears chemical compound notations on front and reverse, both written in an unknown hand. In fine condition.
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