French Graphometer by Bernier, Paris, c. 1780
Similar Upcoming Sales
Regency English Brass Inlaid Aneroid BarometerFrench Graphometer by Lasnier, c. 1740Mar 14, 2026Early German Graphometer, c. 1640Mar 14, 2026E.S. GREELEY & CO. TANGENT GALVANOMETER New York, Late 19th Century Height 8.25". Diameter approx.Mar 12, 2026J.H. BUNNELL GALVANOMETER New York, Late 19th Century Height 3.5". Diameter 8".Mar 12, 2026CASED J. DAVIS & SON SURVEYOR'S COMPASS Derby, England, Early to Mid-19th Century Dial diameterMar 12, 2026BRASS AND EBONY SEXTANT 19th Century Length 16". Width 13.75".1 day LeftGerman Portable Sundial, c. 1750–80Mar 14, 2026English Octant, c. 1840Mar 14, 2026CENTRAL SCIENTIFIC CO. ASTATIC TANGENT GALVANOMETER Chicago, Early 20th Century Height 12". RingMar 12, 2026WESTERN ELECTRIC TANGENT GALVANOMETER NO. 26 Late 19th Centuy Height 9?.Mar 12, 2026WWII Era U.S. Army Waltham Brass Pocket CompassMar 07, 2026CASED W. & L.E. GURLEY SURVEYOR'S TRANSIT Troy, New York, Early 20th Century Case height 12". WidthMar 12, 2026Completely Preserved Mirror Sextant from the Brander Workshop in Augsburg, c. 1783Mar 14, 2026ASTATIC MIRROR GALVANOMETER Late 19th Century Height 12.5". Base 5" x 5".Mar 12, 2026ELLIOTT BROS. HELMHOLTZ-TYPE TANGENT GALVANOMETER London, Late 19th Century Height 16.5". WidthMar 12, 2026