A 19TH-CENTURY 9½IN. RADIUS VERNIER OCTANT unsigned, th
Similar Upcoming Sales
BRASS AND EBONY SEXTANT 19th Century Length 16". Width 13.75".2 days LeftEnglish Octant, c. 1840Mar 14, 2026CASED TROUGHTON & SIMMS BRASS CIRCULAR PROTRACTOR London, Mid-19th Century Dial diameter 8.25". CaseMar 12, 2026CASED JOHN BROWNING BRASS SPECTROSCOPE London, Mid- to Late 19th Century Scope height 12.5". CaseMar 12, 2026Antique Theodolite or Surveyor's Transit, Buff and Buff Mfg. Co, BostonMar 21, 2026RANDALL & STICKNEY THICKNESS GAUGE MICROMETER Waltham, Massachusetts, Late 19th Century Height 8".Mar 12, 2026Completely Preserved Mirror Sextant from the Brander Workshop in Augsburg, c. 1783Mar 14, 2026English Octant, c. 1840Mar 14, 2026Baroness Jeanne-Marie Vintage Brass Telescope10 hrs LeftDr. Stohrer & Sohn Color Mixing DeviceMar 18, 2026Brass Theodolite 10"Mar 19, 2026BRASS READING TELESCOPE WITH TRIPOD BASE America, Late 19th Century Height 11.5". Tripod baseMar 12, 2026WESTERN ELECTRIC TANGENT GALVANOMETER NO. 26 Late 19th Centuy Height 9?.Mar 12, 2026KELVIN'S MULTICELLULAR ELECTROSTATIC VOLTMETER BY JAMES WHITE Late 19th Century Height 13". DialMar 12, 2026Reflecting Circle by Pistor & Martins, Berlin, c. 1850/60Mar 14, 2026CASED W. & L.E. GURLEY SURVEYOR'S TRANSIT Troy, New York, Early 20th Century Case height 12". WidthMar 12, 2026