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Compound tripod microscope, Culpeper type

Year/Period

1750-1780

Maker

ONBEKEND/UNKNOWN

Country

United Kingdom

Signature

Unsigned

Category

Microscopes

Optical 1

Compound

Optical 2

Non-achromatic

Size of the box (h x w x d)

43 × 18.5 × 18 cm

Size of the microscope (h x w x d)

38.5 × 15.9 × 16 cm

Inventory number

SM 18

Description

With this microscope goes a pyramidal mahogany box with a lock and a brass handle.
The microscope itself is mounted on a mahogany box with fitted drawer for accessories. The microscope is of the usual construction, it is mounted on three scrolled legs with a round stage in the middle. The body tube can be moved up and down in a brass outer tube, the lower part of the body, the snout, has a smaller diameter, the top part with the eyepiece has a much larger diameter.
There are four single objective lenses, marked 1, 2, 4 and 5 and a Lieberkühn which can be fitted over the snout. The lenses have not been investigated.
Accessories are a fishplate, a Bonanni type stage, tweezers, a diaphragm cone, three specimen holders (two made of bone and one made of horn), a watch-glass and a bull’s eye condenser which can be fitted on the stage.