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Title: Busch's portrait Aplanat No.3 [Go to resource]
Description: Busch's portrait Aplanat No.3 F.6 11 inch f.l ring type iris diaphragm. Emil Busch A. G., c.1910. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: lens Temporal: c.1910 Source: Science Museum Creator: Emil Busch A. G. Identifier: 1979-559/1396 Go to resource More Like this...
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