Steinheil Aplanat 51 lin., 1893
Similar Upcoming Sales
HIGHLY DESIRABLE SERIAL NUMBER "2" POLICE MODEL5 hrs LeftBrass Theodolite 10"Mar 19, 2026JOSEF & JAN FRIC SACCHARIMETER POLARIMETER Prague, Late 19th Century Height when level approx. 10".Mar 12, 2026LEATHER-WRAPPED BRASS FOUR-DRAW TELESCOPE France, Late 19th/Early 20th Century Length closed 9.5".Mar 12, 2026Large German Five-Draw Telescope, c. 1890Mar 14, 2026GOLD FOIL ELECTROSCOPE Late 19th/Early 20th Century Max height approx. 12". Base diameter 4".Mar 12, 2026Rare Microscope by Carl Kellner from Wetzlar, 1854Mar 14, 2026KELVIN'S MULTICELLULAR ELECTROSTATIC VOLTMETER BY JAMES WHITE Late 19th Century Height 13". DialMar 12, 2026CASED BOSTON OPTICAL WORKS TOLLES MICROSCOPE Mid-19th Century Case height 16.25". Width 6.75". DepthMar 12, 2026School and Salon Microscope, c. 1890Mar 14, 2026Brass Microscope by Seibert, c. 1880Mar 14, 2026Antique Theodolite or Surveyor's Transit, Buff and Buff Mfg. Co, BostonMar 21, 2026Groos & Graf Wall Telephone M 1900, c. 1902Mar 14, 2026Stereo Viewer "Le Taxiphote Simplifié" with Algeria Slides, c. 1910Mar 14, 2026CASED JOHN BROWNING BRASS SPECTROSCOPE London, Mid- to Late 19th Century Scope height 12.5". CaseMar 12, 2026WESTERN ELECTRIC TANGENT GALVANOMETER NO. 26 Late 19th Centuy Height 9?.Mar 12, 2026 
