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in creator/contributor: "Rea, George W."

Propeller-Wheel.

Patent for "a construction of propeller-wheel that will permit a large reduction in the wheel-diameter without impairing its effectiveness, and which will thereby bring the resistance nearer to the crank-range of the motive power, and also to increase the bucket or blade surface of the wheel and at the same time afford such clearance at the center of the wheel as will relieve resistance to easy operation of the engine or motive power." (Lines 18-27) Includes instructions and illustrations.

Date: December 15, 1896

Creator: Parker, Elisha J.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Percolator.

Patent for a simple and inexpensive water-bath percolator meant to extract "the soluble constituents of various substances" (lines 11-12). "The lid or cover may be sealed hermetically whenever it is desirable to exclude the air or prevent the escape of vapor or volatile constituents" (lines 19-22). It has an inner vessel, the outer vessel containing water. The two vessels are easily disconnected.

Date: December 24, 1895

Creator: Riley, David L.