Convertible Churn And Ice-Cream Freezer. (open access)

Convertible Churn And Ice-Cream Freezer.

Patent for a new and useful convertible churn and ice cream freezer, including instructions and illustrations.
Date: June 27, 1899
Creator: Everhard, Joseph
System: The Portal to Texas History
Releasing Device for Brakes of Locomotive Drive-Wheels. (open access)

Releasing Device for Brakes of Locomotive Drive-Wheels.

Patent for a simple and durable improved releasing device for brakes of locomotive drive-wheels that prevents "the drive wheels from being locked and sliding on the track rails, to obviate the uneven wear on the wheel tire" (lines 15-18). The invention has an auxiliary piston connected to the triple valve piston and is controlled by back pressure in the steam chest.
Date: November 27, 1894
Creator: Pelham, Walter O.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for improvements in cotton-choppers by "providing a frame in which is journaled the shaft carrying the cutting-wheel, which derives its motion through connection with the traction-wheels, the said shaft being arranged at an angle to the line of travel of the machine and connected by knuckle or swivel joint with a shaft comprising a part of the driving mechanism.” (Lines 19-26) Illustration is included.
Date: October 27, 1891
Creator: Poole, Luther M.
System: The Portal to Texas History