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Swann-Cole Orthograms Set 9
ORTHOPTIC INSTRUMENTS
stereogram
Raphael's Ltd
Europe: United Kingdom, England, London EC1
1930s
paper; card
2007.63
ORTHOPTIC INSTRUMENTS
stereogram
Raphael's Ltd
Europe: United Kingdom, England, London EC1
1930s
paper; card
Set of orthoptic training cards (25 pairs) for developing duction under stereopsis, bound into a booklet, printed in black on white with grey card covers.
2007.63
Gift of Mr Robin Weathersbee, FCOptom, 2007