Resource Type

States

Low-Pressure Alarm and Indicator for Air-Brakes. (open access)

Low-Pressure Alarm and Indicator for Air-Brakes.

Patent for "air-brake mechanisms in general, and more particularly to the alarms for giving warning when the pressure in the train-pipe drops to a predetermined point and for giving a visual signal when such condition exists" (p. 1, lines 8-13).
Date: October 25, 1900
Creator: Parsons, Avery H.
System: The Portal to Texas History
Kitchen-Sink (open access)

Kitchen-Sink

Patent for a kitchen sink. Illustrations included.
Date: October 8, 1912
Creator: Ogle, Thomas Scott & Polansky, Robert F.
System: The Portal to Texas History
Stalk- Cutter (open access)

Stalk- Cutter

Patent for a Stalk-Cutter, a "simple, durable and efficient device for cutting stalks, like cotton, cornstalks or weeds, while standing" (lines 13-14).
Date: October 24, 1905
Creator: Wilburn, Sylvestor
System: The Portal to Texas History