Refrigerating Apparatus. (open access)

Refrigerating Apparatus.

Patent for a new and improved refrigerator. This design consists "[i]n a refrigerating apparatus, the combination of a trap cylinder communicating with a horizontal cylinder which unites two vertical piston-cylinders, said piston-cylinders having suction and compression valves arranged at their upper ends in a cap having separate communications with suction pipes with compression-pipes communicating with said trap-cylinder" (lines 44-52).
Date: May 12, 1885
Creator: Conacher, Alexander
System: The Portal to Texas History
Car Coupling. (open access)

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "consists in the combination, with a draw-bar having a socket and buffer-prongs on its ends, of a ball in the socket, coupling-hooks pivoted between jaws connected with the ball, a weighted stem projecting from the ball, and a sliding latch-rod for engaging with the stem and automatically releasing it when the cars come together" (lines 8-15).
Date: May 19, 1885
Creator: Hampl, Joseph & Jacobs, David
System: The Portal to Texas History