CLAVIUS, Christoph (1537-1612) - Gnomonices libri octo. Rome: Zanetti, 1581. 

Lot 201
25.01.2022 15:00UTC +01:00
Classic
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€ 1 188
AuctioneerIl Ponte Casa d'Aste
Event locationItaly, Milano
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ID 697980
Lot 201 | CLAVIUS, Christoph (1537-1612) - Gnomonices libri octo. Rome: Zanetti, 1581. 
Estimate value
€ 800 – 1 200
CLAVIUS, Christoph (1537-1612) - Gnomonices libri octo. Rome: Zanetti, 1581.

First edition of this refined treatise on sundials with chapters dedicated to portable sundials, their use and construction. The author, a Jesuit Professor at the Roman College, was considered among the best mathematicians of his time; he was appointed in 1579 as first mathematician in the Pontifical commission for the reform of the calendar which led in 1582 to the adoption of the Gregorian calendar. This earned him the nickname of "Euclid of the XVI century".

Folio (308 x 210mm). Frontispiece within engraved architectural border, numerous illustrations in the text, woodcut initials and headpieces (slightly browned, spotting, frontispiece slightly trimmed in the upper part, microscopic wormhole in the upper internal margin, tear on paper 2A5 that does not touch the text). Mid 19th-century marbled boards backed in cloth, gilt title, blue speckled edges (light wear).
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