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Spectacle Frame Rule
MANUFACTURING AND DISPENSING EQUIPMENT
rule
Edward Preston & Sons
Europe: United Kingdom, England, Warwickshire, Birmingham
Pre-1932
brass
overall: 33 mm x 178 mm
2021.325
MANUFACTURING AND DISPENSING EQUIPMENT
rule
Edward Preston & Sons
Europe: United Kingdom, England, Warwickshire, Birmingham
Pre-1932
brass
overall: 33 mm x 178 mm
Spectacle frame rule in brass with imperial and metric scales, bridge height scale, crest angle and joint angle scales and two plano-convex fenestrations. Maker's name and logo engraved to reverse along with user's name scratched onto surface.
2021.325
Gift of Mr Colin Butterworth, 2021