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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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I, the copyright holder of this work, hereby publish it under the following license:
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lens, designed by Stuart & Hasselkus in 1913. Redrawn from GB Pat. 29,637/1913.
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Ross ''Xpress'' lens, designed by Stuart & Hasselkus in 1913.
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Creative
Commons Attribution-ShareAlike 4.0 International
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Stuart & Hasselkus GB29637-13 (Xpress, 1913).svg
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541:18 May 2023
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158:18 May 2023
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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