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Freeman Bridge Rule
MANUFACTURING AND DISPENSING EQUIPMENT
rule
Freeman, Harry
Europe: United Kingdom, England, London
Mid-Late 1960s
plastic; metal
overall: 81 x 175 x 35 mm

Plastic rule consisting of two transparent plates adjustable for pupillary distance with height adjustable metal nose pads shifting along a protractor scale.


2005.291

Gift of Mr Philip Freeman, FCOptom, 2005



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