Cultivator. (open access)

Cultivator.

Patent for "adjustable means by which the handles of the cultivator may be readily adjusted lengthwise relatively to the position of the tooth-bar when it is arranged diagonally to the beam," and "to remove the operator from possible contact with the dirt thrown by the rearmost teeth of the tooth-bar when it is arranged diagonally to the beam." (Lines 30-39) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Benfield, Frank
System: The Portal to Texas History
Bridle Rod (open access)

Bridle Rod

Patent for a bridle rod that will be longitudinally adjustable for taking up the space that would be likely to occur between the switch points and the rails so that both of the switch points will, when the switch is operated, move to the proper position for presenting a smooth and even surface for the wheel flange of the railway rolling stock when the same pass over the switch.
Date: July 17, 1917
Creator: Mc Robertson
System: The Portal to Texas History
Drive Gear-Wheel (open access)

Drive Gear-Wheel

Patent for drive gear wheel to be used for locomotives. Illustrations included.
Date: July 5, 1910
Creator: Jones, James Edward
System: The Portal to Texas History
Relief Valve and System for Motor or Other Driven Pumps. (open access)

Relief Valve and System for Motor or Other Driven Pumps.

Patent for "a new and useful Relief Valve and System for Motor or other Driven Pumps" (lines 5-7) as well as illustrations.
Date: July 7, 1914
Creator: Johnson, George Walter
System: The Portal to Texas History
Fireplace Guard (open access)

Fireplace Guard

Patent for a fireplace guard. This fireplace guard is designed to prevent accidental fires.
Date: July 23, 1918
Creator: Haley, Ernest T.
System: The Portal to Texas History