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Sluice Box Patent Print - White Patent Title: Sluice-box Inventor Name: John Milan Year Issued: March 6 1900 Item Number: 14706...read more
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Sluice Box Patent Print - White Patent Title: Sluice-box Inventor Name: John Milan Year Issued: March 6 1900 Item Number: 14706 Reprint of original Patent Patent is printed on premium acid-free heavyweight matte paper giving it an authenti...