Anti-Freezing Tank Valve. (open access)

Anti-Freezing Tank Valve.

Patent for a new and improved tank valve. This design consists in "[t]he combination, with the tank, its valve and lever, and valve-rod, of the frost-chamber having an annular space to receive the non-freezing compound, the stuffing-box around the rod and screw-threaded at the ends, and the screw-threaded caps . . . having necks and flanges" (lines 7-13).
Date: June 11, 1889
Creator: Barrett, William Henry
System: The Portal to Texas History
Blind Stop. (open access)

Blind Stop.

Patent for a new and improved blind stop. This design consists in "[t]he combination, with a shutter provided with pivotal slats, of a flat spring-metal fastening-plate provided with a slot for clearing the slat-pivot, and projections upon its surface for engaging with the end of the slat, and having its rear end secured to the shutter-frame and its front end projecting beyond the plane of the shutter-frame and forming a thumb-piece for operating said spring-plate" (lines 59-67).
Date: June 11, 1889
Creator: Wesson, Miley B.
System: The Portal to Texas History
Induction Coil. (open access)

Induction Coil.

Patent for a new and improved induction coil. This design consists in "[t]he combination of the bent core, the primary and secondary coils wound thereon, the adjustable armature connected to one pole (to form an extension thereof) and extending over the opposite pole, and the set-screw for moving the free end of the armature toward or from the disconnected pole to establish or break the magnetic circuit" (lines 5-12).
Date: June 11, 1889
Creator: Brown, Fred H.
System: The Portal to Texas History