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TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case; trial frame
Europe: United Kingdom; Europe: Germany
Mid-Late 20th c.
wood; metal; glass; plastic
overall: 70 mm x 540 mm x 310 mm
Wooden trial case with hinged lid, two white metal clasps and metal carrying handle. Removable internal rack featuring white label panels marked in red, with contents comprising twenty nine (originally thirty) pairs of spherical concave lenses with white metal rims and handles, twenty nine (originally thirty) pairs of spherical convex lenses with yellow metal rims and handles, eighteen pairs (originally nineteen) of cylindrical concave lenses with white metal rims and handles, eighteen pairs (originally nineteen) of cylindrical convex lenses with yellow metal rims and handles, ten prisms with white metal rims and handles, eight accessories including a frosted lens, occluder disc and colour filters with metal rims and handles. Receptacle for further accessories containing a black plastic occluder disc with pointed handle, a beige-coloured clip-on occluder, a Hilco cloth and an Oculus Universal trial frame. Inside of case lid lined with dark blue fabric.
2014.760
Gift of Mrs Margeurite Knight via Mr and Mrs Thompson, 2014