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'Kirslide' Universal Rule
MANUFACTURING AND DISPENSING EQUIPMENT
rule
Kirk Brothers
Europe: United Kingdom, England, London
1930s
ivorine; metal
overall: 67 x 244 mm
2004.287
MANUFACTURING AND DISPENSING EQUIPMENT
rule
Kirk Brothers
Europe: United Kingdom, England, London
1930s
ivorine; metal
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).
2004.287
Gift of Mrs Janet Clay in memory of her mother Mrs Mona Dunkerley, 2004