Accession No

4069

Brief Description

microscope, wool fibre comparator, made by Cambridge Instrument Company Ltd., English, 1956

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

microscopes

Earliest Date

1956

Latest Date

1956

Inscription Date

Material

wood; metal (brass, at least three types of white metal); glass; paper; plastic (ivorine)

Dimensions

length 436mm; breadth 209mm; height 174mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘Cambridge
Instrument Co. Ltd.
London & Cambridge.
C624937’ (ivorine plaque on case)

Description Notes

Wool fibre comparator in wooden case. Front of case hinges in half to reveal light source and joint stages for positioning slide, with microscope objectives behind. These objectives are set on the ends of twin microscopes which sit in the main body of the instrument and the image appears on two mirrors set at the far end of the instrument from the illuminant. Hinged frosted glass plate at objective end of body.
Hinged lid of case contains perspex disc on metal stem, which provides comparison widths from 0.01mm to 0.036mm. Four glass microscope slides.

Canvas strap around case with buckle.

Condition good; complete.

References

Events