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Record Details

Focimeter, by Hamblin, London, Mid-20th Century

Inventory Number: 99489
Object Type:
Persons: Hamblin
Date Created: c. 1918-1939
Place Created: London England United Kingdom Europe
Accession Number: 2003-8/8
Brief Description: A focimeter used for measuring the power of spectacle lenses. There is an eyepiece with graticules which are used to focus the instrument before the spectacles are inserted. At the other end of the instrument, the nose draws back to grip the lens in place. Underneath there is a vertically movable platform for the mounted spectacles to sit on. The astigmatic component can be measured using two sets of lines in the graticule. The instrument is mounted on a large base which is lined with green felt. The base holds the wiring, has a red light, and an electrical cable with a three-pin plug at its end.
Primary Inscriptions: "Hamblin London / 720/66"
Provenance: Presented by Professor A. R. Hill in 2003. From the Oxford Eye Hospital.
Collection Group:
Material(s): metal
Paint
copper alloy
Glass
Steel
Plastic
Wire
Felt
Dimensions:
Height Width Depth Diameter Unit
385 325 300 mm

Narratives

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