Auction No 406, Tag: Alan Turing
1 Lot (displaying 1 - 1)
Alan Turing signed pamphlet: Turing’s personal copy of Leventhal & Salkind’s "Spherical Trigonometry", Globe Book Co., New York, 1943;
Alan Turing signed pamphlet: Turing’s personal copy of Leventhal & Salkind’s "Spherical Trigonometry", Globe Book Co., New York, 1943;
Lot 41
Lot: 41
- Auction Date: Wed 12th Jan 2022 12:00 GMT (Ended)
- Est: £3000 - £4000
SOLD £1250
MORE DETAILSAlan Turing signed pamphlet: Turing's personal copy of Leventhal & Salkind's Spherical Trigonometry, Globe Book Co., New York, 1943; signed Alan Turing in red ink on title page, the second ‘a' of ‘Alan' a little blotchy o/w a fine example of his signature and rarely offered. The 53pp pamphlet shows some slight toning to the front cover but is o/w fine and clean internally. The pamphlet focuses on the use of Spherical Trigonometry to pilots and aviators.