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BF-3671: Airborne Law Enforcement Association (ALEA) Video

Description: Promotional video demonstrating how law enforcement agencies have employed Bell helicopters. The video features the U.S. Park Police, the Virginia State Police, the Virginia Beach Police Department, the Fort Worth Police Department, the San Bernardino County Sheriff's Department, the Delaware State Police, and the Kentucky State Police. Models featured in the video include the 412, 206L LongRanger, 206B-3 JetRanger III, and the 222.
Date: 1991
Duration: 15 minutes 08 seconds
Creator: Bell Helicopter Textron
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

Electric Switch For Street-Railways.

Description: Patent for an electric switch for street railways. This invention allows for the operation of switches of the track from the car, so the operator can turn the switches without stopping the car.
Date: January 30, 1906
Creator: Posey, James A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Means for Drying Briquets

Description: Patent for drying briquets. Briquets are placed on a track, which is then rotated by chains as it dries, before falling into a stack in a chamber. This allows for faster, more even drying of the briquets before use.
Date: July 20, 1917
Creator: Baker, Burke
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Ginning Machinery.

Description: Patent for cotton ginning machinery, which separates cotton faster and more cleanly and continuously feeds cotton into the saws.
Date: June 14, 1910
Creator: Wilson, Ralph E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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