Coffee Roaster. (open access)

Coffee Roaster.

Patent for a new and improved "culinary utensil primarily intended for use as a coffee roaster, but also . . . of any article which needs to be stirred while upon the fire" (lines 12-16). This design utilizes a crankshaft to stir the beans (or other foods) as they roast.
Date: August 23, 1881
Creator: Walling, Edmund Pendleton
System: The Portal to Texas History
Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut lock. This design consists in "[t]he combination, with the end-cleft screw-bolt, of the wedge which is made of the same width as the diameter of the bolt, and provided with serrations corresponding to the screw-thread, and the fastening-wire which is wrapped around both bolt and wedge and lies in their respective grooves and serrations" (lines 72-78).
Date: August 23, 1881
Creator: McAllister, Lewis Campbell
System: The Portal to Texas History