Resource Type

States

Compressor for Ice Machines. (open access)

Compressor for Ice Machines.

Patent for a new and improved ice-machine compressor. This design consists in "an ammonia-compressor, the piston-rod having transverse opening in combination with the valve, stem having slot and shoulder, key held therein by a wedge, and the spring and washer" (lines 90-94).
Date: October 4, 1887
Creator: Schuehle, Jacob
System: The Portal to Texas History
Brake for Vehicles (open access)

Brake for Vehicles

Patent for "a brake which shall be easy in operation, cheap in construction, and not liable to get out of order" (lines 13-17).
Date: October 25, 1887
Creator: Bacon, Edward Hamlin
System: The Portal to Texas History