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[News Script: Methane Gas]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story of the Village Creek Sewage Treatment Plant in Arlington who has found an useful alternative in producing and using its own methane gas.
Date: February 27, 1974, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

Windmill.

Description: Patent for an improvement to the "construction of windmills and to provide means for varying the stroke of a windmill with the velocity or force of the wind, to increase the length of the stroke as the velocity of the wind increases, and to reduce the length of stroke as the force of the wind abates." (lines 10-16)
Date: November 18, 1902
Creator: Tinney, James R.
Partner: UNT Libraries Government Documents Department

Dynamo-Electric Machine

Description: Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of… more
Date: January 10, 1922
Creator: Kuhn, Preston Holmes
Partner: UNT Libraries Government Documents Department
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