What: Antique Scientific Instruments, Globes and CamerasWhere: Dorotheum, Dorotheergasse 17, 1010, ViennaWhen: April 8, 5:00 PMPublic Viewing: 02.04.2019 - 08.04.2019Top Lots at the Sale:— «A rare equinoctial Sundial» by Johann Martin (1642-1721), Augsburg c. 1680. Gilt and silvered brass, silver, signed “Johann Martin In Augspurg 48.”, octagonal base with compass, engraved zodiac signs and month and hour scales, latitude arc from 20-90 degree, hour-scale from 3-12-9, plummet holder with plummet, gnomon; later embossed leather case. Measured at size c. 74x77mm. Featured at lot 391. Starting Price: 7,300 USD.— «A. c. 1700 equinoctial sundial» by Christian Carl Schindler - Active in Halle, Vienna, Dresden circa 1680–1716, signed “Christian Carl Schindler. Brass with red and black colored engravings, base with perpetual calendar and four other calendar volvelles. Measured at size c. 97x81mm. Featured at lot 389. Starting Price: 6,800 USD.— «A rare terrestrial Globe» by Johann Gabriel Doppelmayr (1677–1750) and Johann Georg Puschner (1680–1749) Nuremberg 1728, signed “Globus/ Terrestris, another inscription regarding the zero meridian and showing 12 famous explorers; plaster/paper mache sphere with 24 engraved and colored half paper gores. Measured at Diameter 32cm, height c. 46cm. Featured at lot 369. Starting Price: 4,500 USD.— «A Crescent Sundial» by Johann Martin (1642–1721), Augsburg. Gilt brass and silver, signed “Johann Martin in Augsburg” square base with screw feet and names and latitudes of 37 towns, two hour scales and gnomon on sliding month scale, folding plummet holder (with later plummet), base with engraved names and latitudes of 37 towns, bottom with perpetual calendar. Measured at size c. 61x 59mm. Featured at lot 393. Starting Price: 4,500 USD.— «A fine Sundial» by Thomas Tuttel (fl. 1695–1702) - Brass and silvered brass, signed “Tho: Tuttell Charing + Londini Fecit” and on bottom, two hinged sundials with folding gnomons, one with plummet, fine engravings, hour scales from IIII-XII, I-VIII, bottom with “Perpetual Years Almanacka Sundays” and Sun “Rises / Setts”. Measured at size c. 16x9.8 cm. Featured at lot 387. Starting Price: 3800 USD.— «A Ring Sundial» by Johann Martin (1642–1721) Augsburg c. 1700. Gilt and silvered brass, signed “Johann Martin in Augspurg 48”. Latitude scale from 0–90, sliding pinhole gnomon in month/zodiac scales. Measured at Diameter: c. 66mm. Featured at lot 390. Starting Price: 3,400 USD.— «A rare equinoctial Sundial with spring mechanism» by Johann Willebrand (c. 1658-1726) Augsburg c. 1710. Gilt brass, silver, signed “Johann Willebrand in Augspurg”, octagonal shape with latitude pointer (25–65 degree) and spring mechanism, folding plummet holder, compass with blued steel needle, hour scale from 3–12–9 hours. Measured at size c. 68x66mm. Featured at lot 392. Starting Price: 3,400 USD.For details, visit: https://www.dorotheum.comClick on the slideshow for the highlights of the salehttps://www.blouinartinfo.comFounder: Louise Blouin Read more