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Well-Tube

Description: Patent for a well tube.
Date: April 8, 1903
Creator: Fox, Edward P.
Partner: UNT Libraries Government Documents Department

Sampling Device for Artesian Wells

Description: Patent for a sampling device for artesian wells to detect when oil has been reached.
Date: April 23, 1912
Creator: Bettis, William I.
Partner: UNT Libraries Government Documents Department

Conduit Electric Railway.

Description: Patent for a surface trolley for electric railways that operates "upon the surface of the pavement or ground between the tracks of the road, for connecting the car with the motor power, in place of the trolley and over head wires now suspended upon the unsightly poles in the center or at the sides of the street, which are found to be very objectionable on account of their obstructing the passageway in the streets and upon the side walks, and the wires preventing the free movement of fire compan… more
Date: April 11, 1893
Creator: de Voe, William R.
Partner: UNT Libraries Government Documents Department
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