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Trial Case
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
M. Wiseman & Company Ltd
Europe: United Kingdom, England, London N1
Early-Mid 20th c.
wood; metal; glass
overall: 66 mm x 532 mm x 302 mm

Wooden trial case with hinged lid, two metal clasps and unadorned key hole. Fixed internal racks marked with ivorine label panels,with contents comprising twenty three pairs of spherical concave lenses with white metal rims and handles, twenty three pairs of spherical convex lenses with white metal rims and yellow metal handles, eleven pairs of cylindrical concave lenses with white metal rims and handles, eleven pairs of cylindrical convex lenses with white metal rims and yellow metal handles, four prisms with white metal rims and handles, four colour filters with yellow metal rims and handles and four 'discs' with white metal rims and handles (occluder, pinhole, stenopaiec slit and Maddox rod). Empty receptacle for accessories etc. containing manufacturer's plate. Inside of case lid lined with dark blue fabric.


2012.96

Gift of Miss Susan Henderson, 2012



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