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Memorial of Brevet Brigadier General Benj. S. Roberts, Praying a Royalty for the Use by the Government of His Patents for Improvements in Fire-arms and Cartridges. January 18, 1872. -- Referred to the Committee on Claims and Ordered to be Printed

United States. Congress. Senate

出版	1872
URL	http://books.google.com.hk/books?id=fxp7zQEACAAJ&hl=&source=gbs_api