Accession No

1532

Brief Description

achromatic compound microscope, petrological, by J. Swift and Son, English, 1940 (c)

Origin

England; London

Maker

J. Swift and Son

Class

microscopes

Earliest Date

1940

Latest Date

1940

Inscription Date

Material

metal (steel, aluminium, brass); glass; wood

Dimensions

box height 405mm; depth 215mm; breadth 160mm

Special Collection

Provenance

Transferred from the Sedgwick Museum of Earth Sciences, University of Cambridge

Inscription

‘J Swift & Son
London
19485’

Description Notes

‘Lapidex’; black finish with steel/aluminium screws and knurled rings; modified horseshoe foot; 2 uprights to pivoted joint; circular stage with knurled graduated edge 0 - (360) by 10 to 1 with index; top stage, brass with black finish width slot for slider containing condenser and aperture; polariser substage, divided 0- (360) by 45; swings away from the optic axis; swinging mirror push fits into socket on the base of the limb; arched limb; knurled steel coarse and fine focus screws; push fit eyepiece; triple nosepiece (no objectives). Analyser in steel box slides in and out of the optic axis through the lower end of the body tube.
Fitted wooden box.

References

Events