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Swann-Cole Orthoptic Training Apparatus - Orthograms Set XIV
ORTHOPTIC INSTRUMENTS
stereoscope card set
Raphael's Ltd
Europe: United Kingdom, England, London, EC1
1930s
card; cardboard
overall (box): 27 mm x 188 mm x 98 mm; overall (each card): 88 mm x 178 mm

Set of five orthoptic training cards, each bearing a double-sided black and white photograph, three of them of sets of letters marked on signs stuck into the ground in a grassy field and two of them sets of numerals arranged around a star pattern, all of them on curved black card. Contained within side-opening cardboard box with printed white paper label. Together with a handwritten scrap of paper explaining a set procedure for the use of stereo cards (but seemingly not these ones).


2014.862

Gift of Mr Ronald Rabbetts FCOptom, 2014



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