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MANUFACTURING AND DISPENSING EQUIPMENT
Europe: United Kingdom, England, London
overall: 67 x 244 mm
Optician's rule. Imitation ivory ('Ivorine'), with metal pupillary distance slide gauge to lower section. Scales marked for angle of crest, curl sides and radii, plus on reverse, protractor and bifocal shapes. Historic repair (rivetted plate).
Gift of Mrs Janet Clay in memory of her mother Mrs Mona Dunkerley, 2004