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Home > Auction >  Antique cameras&scientific instruments >  Lot.0240 Wilson-Type Screw-Barrel Microscope, c. 1750

LOT 0240 Wilson-Type Screw-Barrel Microscope, c. 1750

Starting price
EUR1,200
Estimate  EUR  2,000 ~ 3,000

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Antique cameras&scientific instruments

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Wilson-Type Screw-Barrel Microscope, c. 1750 Simple microscope based on design by Hartsoeker, lacquered brass, detachable turned ebony handle, 1 5/8-inch inner tube containing condenser, 1 1/2-inch outer tube with steel spiral spring, brass spring clamp slide holder and lens, threaded focusing adjustment, with six lenses (no. 1, 2, 3, 4, 5 and 6), eight bone slides in ray-skin-covered case, brass objectholder for live objects and Lieberkuhn, in ray-skin-covered green felt-lined wood case (felt renewed), size only 2 4/5 x 7 1/5 in. - A very popular portable microscope of the mid-1700s. Gewindetubus-Mikroskop nach Hartsoeker, um 1750 Einfaches Wilson-Typ-Mikroskop, zaponiertes Messing, abnehmbarer Ebenholzgriff, innerer Tubus mit Kondensorlinse, Länge 4,5 cm, äußerer Tubus mit Spiralfeder, Klemmfeder und Objektivlinse, Länge 4,0 cm, Einstellung durch Drehen des Gewindes. Mit 6 Lupenobjektiven (Nr. 1, 2, 3, 4, 5 und 6), Lieberkühn, 8 Objektträgern aus Bein in mit Rochenleder bezogenem Etui und Messing-Objekthalter, in Holzkästchen, innen mit Filz ausgeschlagen (erneuert), außen mit Rochenleder überzogen, Maße 7,2 x 18,3 cm. - Ein in der Mitte des 18. Jahrhunderts sehr populäres tragbares Mikroskop. Start Price: EUR 1.200

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Koeln, NRW, DE

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