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trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Bausch & Lomb
North America: USA
Early 20th c.
metal; plastic
1999.3513
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
Bausch & Lomb
North America: USA
Early 20th c.
metal; plastic
Trial frame. White metal. Round eyes with fully revolvable white scales. Wheel adjusting. Cylindrical bridge adjustable via turning knobs for P.D. and nose rest. Sliding sides with drop ends in imitation tortoiseshell plastic covers. (Right side broken off at joint).
1999.3513
Gift of W.R. Forster, 1977