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Filtragem por: Palavra-chave Numismatics, Coin Scales Remover Palavra-chave: Numismatics, Coin Scales Year Published 1857 Remover Year Published: 1857

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  • F.J. Herper Patent #18973 Invention Case File

    Author:
    Eric P. Newman Research Files (Coin Scales)
    Descrição:
    Invention case file, containing correspondence related to the process of applying for and receiving a patent. Photocopies from the National Archives and Records Administration.
    Palavra-chave:
    Numismatics, Coin Scales
    País de publicação:
    United States

  • H. Maranville Patent #16390 Invention Case File

    Author:
    Eric P. Newman Research Files (Coin Scales)
    Descrição:
    Invention case file, containing correspondence related to the process of applying for and receiving a patent. Photocopies from the National Archives and Records Administration.
    Palavra-chave:
    Numismatics, Coin Scales
    País de publicação:
    United States