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Trial Case
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
Henri, Opticien
Europe: France, Paris
Late 19th c.
metal; glass; wood
overall: 65 mm x 373 mm x 250 mm
2012.70
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
Henri, Opticien
Europe: France, Paris
Late 19th c.
metal; glass; wood
overall: 65 mm x 373 mm x 250 mm
Black leather-covered wooden trial case with hinged lid, two metal clasps (one broken) and key escutcheon. Fixed internal racks lined with purple velvet and marked in gold-coloured lettering, with contents comprising thirty one pairs each of rimless concave lenses (45 lenses present) and rimless convex lenses (52 lenses present), twelve pairs of concave and convex cylindrical lenses (20 lenses present), eleven out of an original twelve prismatic lenses and three filter 'plaques' in red, violet and blue. Empty receptacle for accessories etc. Metal stud feet at base of case (one missing).
2012.70
Gift of Mr Michael Blackstone, FCOptom, 2012