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Valve.

Description: Patent for a new and improved valve. This design consists in "[t]he improved valve comprising the casing, having a horizontal passage reduced at its central point . . . and a vertical bore intersecting said reduced portion above the point of intersection to its lower end and being screw-threaded its entire length, a stem having a tapered lower portion, the entire stem being screw-threaded to engage the threads in the bore, and a plug removably inserted in the lower end of the bore" (lines 1-11). more
Date: August 13, 1889
Creator: Forniraseo, Domenico
Partner: UNT Libraries Government Documents Department

Dental Drill Attachment.

Description: Patent for a new and improved dental-drill attachment. This design consists in "the combination, with the upper pulley and the supporting pully-frame of a drill, of a rod having hinged to its upper end the clip, having the set-screw, and having at its lower end the frame, having the wheel and the side-spools journaled within it" (lines 25-31).
Date: August 13, 1889
Creator: Moyer, Jesse Hechler & Stansell, Jesse Paine
Partner: UNT Libraries Government Documents Department
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