MusEYEum Online Catalogue

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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Bishop Harman's Diaphragm Test
Gowllands Ltd
Post 1931
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Bishop Harman's Diaphragm Test
Gowllands Ltd
Post 1931
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Bishop Harman's Diaphragm Test
Gowllands Ltd
Post 1931
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Bishop Harman's Diaphragm Test & test cards
Post 1909
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diaphragm test ?
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