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metal; Perspex; paper
overall: 305 mm x 130 mm x 80 mm
Portable test chart holder and light box. Grey-painted metal casing and battery compartment with slightly slanted holder for interchangeable laminated plastic test charts (one present). Black panel and spot light on-off switch. White indicator light. Together with a home-made grey paper cover.
Gift of Mr Frank Barraclough FCOptom, 2020