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MANUFACTURING AND DISPENSING EQUIPMENT
Early 21st c.
overall: 69 mm x 69 mm x 9 mm
Back vertex distance and pantoscopic tilt rule for use in prescribing bespoke varifocal lenses. White plastic with black pointer in recess, aligned with a two directional 30mm scale. On the underside a similar scale and brand logo.
Gift of Mr Brian Mitchell, 2013