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Lens Shapes and Frame Mensuration Including the Datum Line System
ARCHIVAL ITEMS
pamphlet; price list; instructions
Levers Optical Co Ltd
Europe: United Kingdom, England, London WC1
1938-05-01
paper
overall (closed): 228 x 155 mm
2002.715
ARCHIVAL ITEMS
pamphlet; price list; instructions
Levers Optical Co Ltd
Europe: United Kingdom, England, London WC1
1938-05-01
paper
overall (closed): 228 x 155 mm
Explanatory pamphlet-cum-promotion for Levers prescription lenses, rimless 'Ful-Vue' lens shapes, and instructions for measurement of W-bridge, pad bridge and regular bridge spectacle frames, plus details and prices of the 'Coverall' Frame Rule, 'Super-Coverall' Frame Rule, The Preston Rule, the Empire Datum Frame Rule, The Empire Datum Auto-Set and the Empire Contourmeter. Handwritten annotations in red ink made by Mr C.L. Redding. A5 format, printed on 22 pages, stapled. Includes illustrative diagrams of lens shapes and frame and facial rules.
2002.715
Paul Fairbanks Archive