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Escapement for Torsion Pendulums.

Description: Patent for a new and improved escapement for torsion pendulums. This design "consists in one or two weighted levers acting in conjunction with an escape-wheel and a spindle, which levers are used as a medium to carry force from the train of a clock to the pendulum" (lines 12-16).
Date: February 5, 1884
Creator: Stahlberg, Charles
Partner: UNT Libraries Government Documents Department

Blasting Plug.

Description: Patent for a new and improved blasting plug. This design is "to improve the usefulness and efficiency of the device, to render it capable of more general application, to provide a construction whereby a given charge is rendered more powerful and effective, and to provide a divided blasting-plug . . . The invention consists more particularly in a cylindrical blasting-plug divided longitudinally into two separate or independent sections, one of which is formed with a disk-head having a vent orifi… more
Date: November 5, 1889
Creator: Holsey, Julius H.
Partner: UNT Libraries Government Documents Department
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