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Ellipsoidals Berkey Colortran
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5 degree, 10 degree, 30 degree, 40 degree ellipsoidals
Catalogue & Journal Entries for Ellipsoidals in the Backstage Heritage Collection
Back to Lanterns (Named) (Berkey Colortran)
1388
5 degree, 10 degree, 30 degree, 40 degree ellipsoidals