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Periscope With Compass Attachment Patent Print - Blueprint Patent Title: Periscope With Compass Attachment Inventor Name: Charles...read more
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Periscope With Compass Attachment Patent Print - Blueprint Patent Title: Periscope With Compass Attachment Inventor Name: Charles H. Bedell Year Issued: November 5 1912 Item Number: 14131 Reprint of original Patent Patent is printed on pre...