Window-Lock (open access)

Window-Lock

Patent for a window lock. Illustrations included.
Date: May 3, 1910
Creator: Sydow, John F.
System: The Portal to Texas History
Meat Chopper. (open access)

Meat Chopper.

Patent for a new and improved meat chopper. This design consists in "[t]he combination of the frame having horizontal slots, a sash having interchangeable cutting and tenderizing blades, devices for operating the sash, and wires or rods adjustable in said slots to accommodate either blade . . . [and] [t]he combination of [a] shaft with spur-wheels, pinion, crank-shaft, pitman, sash, removable blade, shaft, carrying spur-wheel, and pinions, and [a] meat-board or table with racks" (lines 91-101).
Date: March 3, 1885
Creator: Mathes, William McConnell
System: The Portal to Texas History