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Broom or Brush
Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date:
March 16, 1915
Creator:
Airhart, Noah S.
Object Type:
Patent
System:
The Portal to Texas History
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date:
February 16, 1909
Creator:
Charlton, Thomas
Object Type:
Patent
System:
The Portal to Texas History
Executive Correspondence – Letter dtd 07/15/05 to Chairman Principi from Gov Thomas Vilsack
Executive Correspondence – Letter dtd 07/15/05 to Chairman Principi from Gov Thomas Vilsack supporting DFAS at the Rock Island Arsenal, Illinois.
Date:
July 16, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
The HASL Bone Program 1961-1964
Report documenting the measuring of strontium-90 levels contained in the bones of children and adults of various age brackets across the United States.
Date:
August 16, 1965
Creator:
Rivera, Joseph & Harley, John H.
Object Type:
Report
System:
The UNT Digital Library
Improvement in Adjustable Saddle-Trees.
Patent for "improvements in saddle-trees; and the invention consists in constructing the forward ends of the trees with the hinged connection between its sides, to allow lateral adjustment of the sides to and from each other..." (lines 10-13) including instructions and illustrations.
Date:
June 16, 1874
Creator:
Heaton, George & Eckley, Charles
Object Type:
Patent
System:
The Portal to Texas History
Nozzle.
Patent for a hose nozzle with increased capacity and efficiency. Includes instructions and illustrations.
Date:
March 16, 1897
Creator:
Adams, Don B.
Object Type:
Patent
System:
The Portal to Texas History
Oil Burner
Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Date:
June 16, 1903
Creator:
Wafer, William H.
Object Type:
Patent
System:
The Portal to Texas History