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trial case
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
American Optical Company
North America: USA
20th c.
leather; wood
1999.3897
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
American Optical Company
North America: USA
20th c.
leather; wood
Large leather-covered wooden trial case with hinged lid, white metal hinges, revolving catches and keyhole escutcheon (damaged). Purple velvet lining to lid and rack. White plastic/ivory (?) labels. Removable lens rack containing 20 pairs of spherical concave, 20 pairs of spherical convex, 11 pairs of cylindrical concave, 11 pairs of cylindrical convex, 9 prisms, blue filter, red filter, occluder, pinhole, Maddox rod and Stenopaeic slit. White metal frames and handles.
1999.3897