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Amgueddfa Cymru – Museum Wales
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Graph
Wall chart and graph showing refractive indices and "V" values of lenses
Collection Area
Industry
Item Number
91.21I
Creation/Production
Chance-Pilkington
Date:
Acquisition
Collected officially, 1991
Measurements
Length
(mm): 762
Width
(mm): 1219
Material
textile
wood
Location
In store
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