J. Zentmayer - "Grand American" - Microscope
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2 German Brass MicroscopesMar 14, 2026CASED M. PILLISCHER BRASS MONOCULAR MICROSCOPE London, Mid-19th Century Microscope height approx.Mar 12, 2026CASED SMITH & BECK MICROSCOPE London, Mid-19th Century Case height 6.25". Width 17". Depth 9".Mar 12, 2026CASED J. ZENTMAYER BRASS MONOCULAR MICROSCOPE Philadelphia, Late 19th Century Case height 11.5".Mar 12, 2026CASED BAUSCH & LOMB BRASS MICROSCOPE New York, Late 19th Century Cased height 14". Width 8.5". DepthMar 12, 2026Brass Microscope by Seibert, c. 1880Mar 14, 20262 Interesting German MicroscopesMar 14, 2026Optical Scientific ApparatusMar 18, 2026TWO LATHES Early 20th CenturyMar 12, 2026H Crouch Binocular Microscope w Petrographic Prisms4 days LeftRare Microscope by Carl Kellner from Wetzlar, 1854Mar 14, 2026Very Early Compound Microscope by Carl Zeiss in Jena, 1864Mar 14, 2026TWO WATCHMAKER'S LATHES Likely Germany, Late 19th Century Heights 9" and 10.5".Mar 12, 20262 English Brass Microscope Bullseye CondensersMar 18, 2026Group of Cast Iron & Brass Scientific ApparatusMar 18, 2026Trichinella Microscope from Berlin, c. 1890–1910Mar 14, 2026 
