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  1. Illustrated price list of microscopes, microscopic apparatus and other optical instruments, manufactured by R. & J. Beck, London.
    By: Beck, Richard & Joseph, Philadelphia.
    Publication info: Philadelphia :[Beck,1882]
    Contributed by: Francis A. Countway Library of Medicine (archive.org)
    Subjects: Catalogs  instrumentation  Microscopes  Microscopy  Optical instruments  
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