logologo-optometry

How do you measure segment heights

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Catalogue Number: 1860
How do you measure segment heights
Category: Memorabilia and ephemera
Sub-Category: Advertising, trade and products
Association: Associated Manufacturers of Solid Bifocals
Year Of Publication/Manufacture: undated
Time Period: 1900 to 1939
Publisher/Manufacturer: Associated Manufacturers of Solid Bifocals
Description Of Item: Three fold leaflet, 21.9 cm W 17.6 cm H when open, black and white printing with photographic illustrations. It is designed to accompany the segmeter, a rule for measuring segment height. The rule is not included in this case but there is a photocopy of it. It is inscribed in handwriting 'Given for keeps by Mr McCombie with rule'.
Historical Significance: The manufacturers of solid (one-piece) bifocals that are members of the Associated Manufacturers of Solid Bifocals are listed as: Bausch and Lomb, British AO Coy Ltd, J and R Fleming, W Heal, W A Quinn Ltd, Stigmat Ltd, United Kingdom Optical Coy Ltd, Uni-Luxe Optical Co Ltd and M Wiseman and Co Ltd.
Condition: Good
Location: Archive office. Pamphlet and ephemera filing cabinet. Drawer 4

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