Bausch & Lomb Inc в медалях

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Charles Andrew Hafner. Bausch & Lomb Optical Science Medallion. Bronze, 1919. Gorham Co. D=89 mm, h = 10 mm, p =511 gr.

Charles Andrew Hafner. Bausch & Lomb Optical Science Medallion. Bronze, 1919. Gorham Co. D=89 mm, h = 10 mm, p =511 gr.

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