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The Rosen Rule
MANUFACTURING AND DISPENSING EQUIPMENT
rule
London Optical Company
Europe: United Kingdom, England, London
1936
metal
overall: 70 mm x 190 mm
2016.321
MANUFACTURING AND DISPENSING EQUIPMENT
rule
London Optical Company
Europe: United Kingdom, England, London
1936
metal
overall: 70 mm x 190 mm
Optician's rule, white metal, double sided with apical curves, pupillary distance scale, protractor with revolving axis finder and nasal contour measure.
2016.321
Gift of Mr Alan Turner-Smith on behalf of Mr Eric Wright FCOptom, 2016