Valve. (open access)

Valve.

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).
Date: August 13, 1889
Creator: Forniraseo, Domenico
System: The Portal to Texas History
Lifting-Jack. (open access)

Lifting-Jack.

Patent for a strong, simple, and easily-operable lifting-jack meant for use in railroad car-axle boxes. It is a lifting bar with ratchet teeth, a lever that pivots against the lifting bar, a mechanism that holds and releases the bar, a pawl, and a double-arm spring connected to the pawl.
Date: August 13, 1895
Creator: Hough, William S.
System: The Portal to Texas History
Photograph-Holder. (open access)

Photograph-Holder.

Patent for a photograph holder made from one piece of wire twisted into hooks for the edge of the photo to be put into, with a bar to support the back of the photo in an upright position.
Date: August 13, 1907
Creator: Stevens, William Herbert
System: The Portal to Texas History
Dental Drill Attachment. (open access)

Dental Drill Attachment.

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
System: The Portal to Texas History