The history of science in your hands
First edition of the first book in English on a mechanical calculating machine, and the first separate work on the subject since Napier’s Rabdologiae (1617). Nothing more of any significance was published in English on calculating machines until Babbage in the 19th century.
$20,000
The first six books of The Elements of Euclid in which coloured diagrams and symbols are used instead of letters for the greater ease of learners.
First edition, rare in the original cloth, of this celebrated book, “one of the oddest and most beautiful books of the whole century” (McLean). The use of colour is its most striking feature, with equal angles, lines, or polygonal regions assigned one of the three artistic primaries.
$22,500