Adjustable Bench Hook. (open access)

Adjustable Bench Hook.

Patent for a new and improved bench hook. This design "consists in a bench-hook constructed with a plate carrying a sliding bar, to which is adjustably secured a hook. The sliding bar and hook are locked in place by a clamp and cam attached to the plate, and the plate and its attachments are locked to the bench-front by a stationary lug attached to the plate, and a moveable lug attached to a lever pivoted to the said plate and locked in place by a cam, so that the said hook can be readily adjusted upward, downward, forward, and backward" (lines 20-30).
Date: July 22, 1884
Creator: Cooper, Harry
System: The Portal to Texas History
Mold and Mold Hoisting Apparatus for Building Concrete Walls. (open access)

Mold and Mold Hoisting Apparatus for Building Concrete Walls.

Patent for a new and improved concrete-raising apparatus. This design "consists in a mold in which a course of a wall can be formed, and in devices for raising the mold in the formation of another course. The invention also consists in details of construction and combination of parts" (lines 12-17).
Date: July 8, 1884
Creator: Carrico, Thomas Willson
System: The Portal to Texas History