Accession No

3753

Brief Description

compound microscope, binocular, possibly achromatic, by Henry Crouch, English, 2/2 19th Century

Origin

England; London

Maker

Crouch, Henry

Class

microscopes

Earliest Date

1850

Latest Date

1900

Inscription Date

Material

metal; brass; oxidised brass; glass; white metal; wood; cloth; velvet

Dimensions

box length 400mm; breadth 220mm; height 172mm; maximum height of microscope 463mm; minimum height 366mm

Special Collection

Provenance

Donated, 1990.

Inscription

‘HENRY CROUCH,
LONDON.
1154.’ (base)
‘Henry Crouch
London’ (each objective)

Description Notes

Oxidised brass foot; two uprights to brass and oxidised brass pillar. Tailpiece with swinging and rotating plano-concave mirror. Circular stage with milled rim; arced superstage held by brass arm; understage has a variable aperture. Binocular body with rack and pinion focussing, adjusted by knurled brass knobs; right hand tube vertical, left hand angled; sliding brass rod on back of body connected to both tubes; knurled screw adjustment (purpose unknown) on front. Push fit eyepieces; screw-fit objective.
Three further eyepieces. Three objectives. Two mounted prisms and one mounted polariser. Box of cover-slips. Two glass slides with magnifying circles. Plano-convex lens on brass arm and stand. Rectangular brass plate with clear glass depression mounted on it.
Fitted wooden box, velvet lined, with brass handle, hinges and lock (with key). Paper label in lid with ‘Richard Jones & Co. Ltd. Chester’ printed on it; also ‘Name: A.W. Willmer Esq.’

Condition good; complete

References

Events