![CLAVIUS, Christoph (1537-1612). Compendium brevissimum describendorum horologiorum horizontalium ac declinantium. Rome: A. Zannettus, 1603. [Bound with:] Tabula altidudinum solis pro horis astronomicis in signorum initijs ad omnes gradus altitudinis poli borealis supputata. Rome: A. Zannettus, 1603. [and:] Tabulae astronomicae nonnullae ad horologiorum constructionem maxime utiles. Rome: A. Zannettus, 1605.](https://www.christies.com/img/LotImages/2016/CKS/2016_CKS_12140_0364_000(clavius_christoph_compendium_brevissimum_describendorum_horologiorum_h081901).jpg?w=1)
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CLAVIUS, Christoph (1537-1612). Compendium brevissimum describendorum horologiorum horizontalium ac declinantium. Rome: A. Zannettus, 1603. [Bound with:] Tabula altidudinum solis pro horis astronomicis in signorum initijs ad omnes gradus altitudinis poli borealis supputata. Rome: A. Zannettus, 1603. [and:] Tabulae astronomicae nonnullae ad horologiorum constructionem maxime utiles. Rome: A. Zannettus, 1605.
3 works in one volume, 4° (200 x 144mm). JHS device on titles. First work: full-page woodcut diagrams, tables. Second work: astronomical tables throughout. Third work: tables, woodcut diagrams. (Some spotting to second work, B2 in last work torn through, O1-P3 with light repaired worming at bottom margin, some light browning.) Contemporary vellum with red morocco spine label. Provenance: shelf mark on rear pastedown.
THREE WORKS BY CLAVIUS ON THE SUNDIAL, ALL FIRST EDITIONS. A native of Germany, Clavius entered the Jesuit order in 1555, and was for long Professor of Mathematics at the Collegio Romano in Rome. While most widely known for his reform of the calendar, the fourth volume of his works is devoted to the construction of sundials. He first met Galileo in 1587, but was an old man by the time he was required to pass judgment on Sidereus nuncius in 1610. BL STC 17th-century Italian I, p. 240; Houzeau and Lancaster 11398; 9852; 11400.
3 works in one volume, 4° (200 x 144mm). JHS device on titles. First work: full-page woodcut diagrams, tables. Second work: astronomical tables throughout. Third work: tables, woodcut diagrams. (Some spotting to second work, B2 in last work torn through, O1-P3 with light repaired worming at bottom margin, some light browning.) Contemporary vellum with red morocco spine label. Provenance: shelf mark on rear pastedown.
THREE WORKS BY CLAVIUS ON THE SUNDIAL, ALL FIRST EDITIONS. A native of Germany, Clavius entered the Jesuit order in 1555, and was for long Professor of Mathematics at the Collegio Romano in Rome. While most widely known for his reform of the calendar, the fourth volume of his works is devoted to the construction of sundials. He first met Galileo in 1587, but was an old man by the time he was required to pass judgment on Sidereus nuncius in 1610. BL STC 17th-century Italian I, p. 240; Houzeau and Lancaster 11398; 9852; 11400.
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