Air Brake Attachment. (open access)

Air Brake Attachment.

Patent for "mechanism for use in connection with railway cars for automatically controlling the air brakes," including instructions and illustrations.
Date: April 17, 1917
Creator: Flowers, Malon Inghram & Sale, Archie Pierce
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
Cotton Harvesting And Cleaning Machine. (open access)

Cotton Harvesting And Cleaning Machine.

Patent for cotton harvesting and cleaning machine. The invention allows for seed cotton, hulls, husk, pods or other foreign matter to be gathered and separated from the cotton. The invention also allows bulls of cotton to be picked at the same time as other is being separated.
Date: September 17, 1917
Creator: Meier, John & Wallace, James F.
System: The Portal to Texas History
Dehydrator. (open access)

Dehydrator.

Patent for a continuous dehydrator that has specific use for gold and silver ores, including instructions and illustrations.
Date: April 17, 1917
Creator: Biesel, Charles
System: The Portal to Texas History
Hay Press. (open access)

Hay Press.

Patent for improvements to a hay press to be manufactured easily and cheaply while maintaining its effectiveness in pressing hay into bales.
Date: July 17, 1917
Creator: Pate, William H. & Rhyne, Arthur M.
System: The Portal to Texas History
Header. (open access)

Header.

Patent for "new and useful improvements in Headers," including illustrations.
Date: April 17, 1917
Creator: Pritchett, William V.
System: The Portal to Texas History
Keyboard for Writing Machines. (open access)

Keyboard for Writing Machines.

Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
System: The Portal to Texas History
Post Hole Drill (open access)

Post Hole Drill

Patent for Post Hole Drill.
Date: February 17, 1917
Creator: Blue, Lee A.
System: The Portal to Texas History
Rail-Joint. (open access)

Rail-Joint.

Patent for an improved rail joint that utilizes an interlocking system, thus eliminating the need for connections using nuts and bolts, resulting in a smoother, continuous rail.
Date: July 17, 1917
Creator: Luker, Luther V.
System: The Portal to Texas History
Speed-Controlling Mechanism for Motor-Vehicles. (open access)

Speed-Controlling Mechanism for Motor-Vehicles.

Patent for a device that automatically closes the throttle to slow the speed of a motor vehicle when necessary. The device is designed to respond to vehicle load, road surface, and a predetermined speed limit.
Date: July 17, 1917
Creator: Carpenter, John C.
System: The Portal to Texas History
Underscoring Attachment for Type-Writers. (open access)

Underscoring Attachment for Type-Writers.

Patent for an improvement on an underscoring attachment for type writers that allows the user to use the functions of underscoring, correcting, and cancelling characters as they type, allowing some functions to occur simultaneously, including instructions and illustrations.
Date: July 17, 1917
Creator: Aiton, Fred
System: The Portal to Texas History
Violin Piano (open access)

Violin Piano

Patent for an apparatus to play a violin via piano keyboard input. Designed with the notion that it would be an effective method of playing the violin with those already familiar with the piano
Date: January 17, 1917
Creator: Strawn, Jesse C.
System: The Portal to Texas History