Mathematical resolution, probably from a larger document, one page, 8.5 x 11, detailing a mathematical theorem concerning wedges, distance and resolution of an imaging system, signed in the lower left corner, 'A. Einstein,' adding a three line German sentiment. Double matted and framed with a portrait of Einstein, to an overall size of 28.25 x 21. In very good condition, with even block of toning over signature and sentiment, scattered light toning and spotting to remainder of page and several light creases. COA John Reznikoff/University Archives and RRAuction COA. Oversized.
