A Cuff-type microscope, possibly German, late 18th

A Cuff-type microscope, possibly German, late 18th

Euro 3950

Circa

late 18th

Country of manufacture

Germany

Category: Microscopy

Description

A Cuff-type microscope, possibly German, late 18th

 An hitherto unrecorded compound microscope, unsigned, possibly of German origin.

Last quarter of 18th century.

 Dimension: 14 5/8” (37cm) high overall, mounted in the top of the 6 ½” x 8 ¼” x 3 ¼” (15x21x8cm) fitted mahogany case.

 

The body tube is 5 7/8” (14.5cm) long x 1 ¾” (4.5cm) diameter and screws into an arm at the top of the pillar; coarse and fine focussing is by a Cuff-type mechanism (sliding block with a clamp screw and long threaded screw connecting the block and the arm holding the body tube) and the 2 ¼” ( 6cm) diam. single-sided mirror (mirror glass modern, brass frame original) is mounted in a plate at the base of the pillar.

Accessories comprise a Bonanni-type spring stage to be screwed into the stage, a small stage mounted bull’s eye condensing lens on articulated arm and one wooden slide (# 4).

The inside of the drawer is covered with 18th century printed paper that recalls German manufacture.

 

A very rare compound microscope, only another one very similar in a French private coll.

 

Despite some signs of use, few functional small repairs and the absence of a dust cover, a still handsome and rare model.

 

A comparison can be made with #132 of the Golub Microscope Coll.

 

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IT Alpha et Omega

Alpha Et Omega

Alpha et Omega is a recently established firm, based in Milan, Italy. We specialise in antique Scientific Instruments and rare Books to supply collections worldwide. Focus is given to optical and time-related instruments, especially before the Industrial Revolution but we are also interested in rare-to-find scientific and natural items and wunderkammer objects. Alpha et Omega also deals in rare books related to Early Science and Scientific Instruments. Please feel free to contact us for individual requests or desiderata.

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