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Microscope Objective with Variable Apertures, Late 19th Century

Inventory Number 86775

Acknowledgement: © History of Science Museum, University of Oxford, inv.86775

Subject
Microscopy
Item type
Object
Provenance
Purchased from Dr. Reginald S. Clay with his collection. Part of item 14 on typescript list.
Primary inscriptions
'638' engraved on side.
Physical material
copper alloy
Glass
Dimensions
Diameter: 60mm Height: 80mm Width: 80mm Depth: 65mm Weight: 176g
Inventory No
86775
Accession Number
1944-1/part

Description

Copper alloy fitting with objective, fine focusing screw, and two discs, one of variable apertures and the other of variable sized discs for differential shading. The objective has a lens cap and the objective itself is removable as well. Stored in black Japanned tin box.

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