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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Bausch & Lomb Optical Company
North America: USA, New York, Rochester
Early-Mid 20th c.
metal
overall (front): 156 mm; side: 122 mm

Fully-adjustable trial frame. White metal. Round eyes with fully revolvable black-on-white ivorine scales. Wheel adjusting. Cylindrical bridge adjustable via turning knobs for P.D. and swivelling metal nose rest. Double spring lens clip to front and single spring lens clip to back of each eye. Sliding curl sides.


2017.143

Transferred from the former Museum and Library of Optometry, Aston University / Gift of the family of the late Anthony G. Sabell FCOptom, 2016



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