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Lister perimeter
OPTOMETRIC INSTRUMENTS
perimeter
Theodore Hamblin Ltd
Europe: United Kingdom, England, London
20th c.
metal
2000.96
OPTOMETRIC INSTRUMENTS
perimeter
Theodore Hamblin Ltd
Europe: United Kingdom, England, London
20th c.
metal
Arc perimeter. Rotating crescent with sliding colour targets. Bulb holder with directional shade. Adjustable double chin rest. Round chart holder (broken off). Integrally mounted case of white, green and red colour targets. Electrical flex and two-pin plug.
2000.96
Gift of Dr J.M.L. Howat, 2000