Welcome to the online catalogue of the British Optical Association Museum. Here you can search for both museum artifacts and archives. Data is transferred from our Collections Management System to this website on a regular basis.
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Objects
Set of orthoptic diagrammatic stereo cards. ORTHOPTIC INSTRUMENTS stereogram Europe: United Kingdom 1930s? card
Set of 22 paired orthoptic diagrammatic stereo cards. Each with 'top' marked.