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Roller Boring-Drill.

Description: Patent for an invention relating to "boring drills of the type having roller forms of cutters" (line 9). Structure is explained and illustration of invention is included.
Date: August 14, 1917
Creator: Reed, Clarence Edward
Partner: UNT Libraries Government Documents Department

Roller Boring-Drill.

Description: Patent for an improved Roller Boring-Drills to provide a strong drill that reach the bottom of hole and can be manufactured for low cost.
Date: December 1, 1914
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Rock Drill

Description: Patent for a rock drill. This invention is designed for use with a pitman driven by a crank movement or a direct ratchet connected to a driving rod. Illustrations included.
Date: December 24, 1912
Creator: Speer, George F.
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Fort Worth joins civil defense test]

Description: Video footage from the WBAP-TV station in Fort Worth, Texas, covering a news story about Fort Worth's addition to a massive civil defense drill named "Operation Alert." The scenario for the drill involves a hydrogen bomb attack on Carswell Air Force Base, requiring the evacuation of Fort Worth residents.
Date: July 20, 1956, 10:00 p.m.
Duration: 2 minutes 36 seconds
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[Clipping: Catalog Page for Multi-Vane Drills]

Description: Catalog clipping featuring nine separate multi-vane drills of various sizes and specifications. The person that clipped this catalog page has circled the top right drill on the first page that is identified as "Size 55J, 55K, 55L Reversible Multi-Vane Drill". To the right of this drill is handwriting that reads, "$230 Hydrauger 5 hp".
Date: unknown
Partner: Private Collection of Mike Cochran

Roller Boring-Drill

Description: Patent for roller boring drill that provides the cutting device to maintain clearance of the drill-head and can be adjusted to compensate for wear.
Date: March 2, 1915
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Auger.

Description: Patent for a new auger designed "to provide a construction in which the parts may be adjusted to cut angular holes entirely through a body, and also to cut angular countersinks concentric with cylindrical openings, such as are made for the reception of the square heads of bolts lag screws, &c.," (lines 10-16), which includes illustrations and instructions.
Date: April 29, 1902
Creator: Bundy, John J.
Partner: UNT Libraries Government Documents Department

Cross-Roller Drill-Bit

Description: Patent for an improvement upon a prior patent for a rolling drill cutter. The drill bit is designed with several rotating saw like structures which assist in the drilling process.
Date: December 27, 1919
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Drill-Bit.

Description: Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.
Date: June 22, 1920
Creator: Midgett, Penelton G.
Partner: UNT Libraries Government Documents Department

Pipe-Clamp

Description: Patent for a pipe clamp for lifting and placing pipes and drill rods into and out of wells. Illustrations included.
Date: March 29, 1910
Creator: Rountree, Joseph G.
Partner: UNT Libraries Government Documents Department

Revolving-Cutter Rotary Boring-Drill.

Description: Patent for an improved rotary boring drill, "particularly to drills of that type which are provided with cutters of a flat, circular plate shape" (lines 16-18), designed to reduce wear from repeated use.
Date: November 2, 1915
Creator: Reed, Clarence Edward
Partner: UNT Libraries Government Documents Department
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