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Tosswill's trial frame
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
metal
1999.4609
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial frame
metal
Tosswill type trial frame. White metal frame. Adjustable nose and P.D. Capacity four trial lenses. Single lens clip in front of eyes and one drop cell behind. Front clips revolve by lever-action. Scales marked 0-180 in both directions. Thin straight bowed sides with spatula ends.
1999.4609