Wilson-type Screw-barrel Microscope, C. 1730 - Nov 14, 2014 | Auction Team Breker In Germany
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Wilson-Type Screw-Barrel Microscope, c. 1730

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Wilson-Type Screw-Barrel Microscope, c. 1730
Wilson-Type Screw-Barrel Microscope, c. 1730
Item Details
Description
Wilson-Type Screw-Barrel Microscope, c. 1730
Simple microscope based on design by Hartsoeker, lacquered brass, detachable turned ivory handle, 1½-inch inner-tube containing condenser, 15/8-inch outer tube with steel spiral spring, brass spring clamp slide-holder and lens, adjustment by screwing the barrel up or down, with 5 lenses (no. 1, 3, 4, 5 and 6), 6 ivory slides and brass slide-holder, in ray-skin-covered blue velvet-lined fitted wooden case, only 5 ¼ in. wide. A very popular portable microscope in the mid 1700s.

Gewindetubus-Mikroskop nach Hartsoeker, um 1730
Einfaches Wilson-Typ-Mikroskop, zaponiertes Messing, abnehmbarer Elfenbeingriff, innerer Tubus mit Kondensorlinse, Länge 4 cm, äußerer Tubus mit Spiralfeder, Klemmfeder und Objektivlinse, Länge 4,5 cm, Einstellung durch Drehen des Gewindes. Mit 5 Lupenobjektiven (Nr. 1, 3, 4, 5 und 6), 6 Elfenbein-Objektträgern und Messing-Objekthalter, in Holzkästchen, innen mit Samt ausgeschlagen, außen mit Rochenleder überzogen, Breite nur 13,3 cm.

Start Price: € 950
Condition
(2–3/–)
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Wilson-Type Screw-Barrel Microscope, c. 1730

Estimate €2,000 - €4,000
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Starting Price €950
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Item located in Koeln, de
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Auction Team Breker

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