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Range-Finder For Small-Arms.

Description: Patent for an improved Range-Finder for Small-Arms at an inexpensive price which can be attached at any rifle specifically designed and used in the United States Army.
Date: November 24, 1914
Creator: Guild, George R.
Partner: UNT Libraries Government Documents Department

Piano-Hammer.

Description: Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.
Partner: UNT Libraries Government Documents Department
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