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Distance-Meter Bo-Lor Mid 20th c. View |
Face rule and pupillometer Early-Mid 20th c. View |
Ingleby's Face-Measuring Rule View |
J. M. Johnston's Measuring Blades F. A. Hardy & Co; Whitehead & Hoag Co 1925 View |
MyStyle(r) All-In-One Measurement Tool Hoya Lens UK Ltd c.2008-2010 View |
New Adjustable Face Measuring Rule Elliott Optical Co Ltd c.1925 View |
Ophthalmic Measure East Yorkshire Optical Company (EYCO) c.1972 View |
optician's rule Early 20th c. View |
Ross Facial Rule The Hornsey Tortoiseshell Company 1930s View |
Segmeter The Associated Manufacturers of Solid Bifocals 20th c. View |
Segmeter with original packaging/leaflet The Associated Manufacturers of Solid Bifocals 1938 View |
Varilux 2 segment rule Essilor 1980s View |