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Distance-Meter Bo-Lor
MANUFACTURING AND DISPENSING EQUIPMENT
face rule; pupillometer
Mid 20th c.
metal
overall: 30 mm x 169 mm

P.D. rule and radial gauge. Metal, marked with black scales, with three inner slots, curving edges and nasal curve. Together with a transparent plastic sleeve.


2011.859

Gift of Mrs Jill Evershed Martin, 2011



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