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Churn.

Description: Patent for a new and improved churn. This design consists "[i]n combination with the standard and bracket, the hinged arm having [a] bearing, oscillating driving-wheel, belt, belt-tightening wheels, dasher-wheel, and socket" (lines 94-98). It facilitates churning.
Date: December 1, 1885
Creator: White, Frank Lewis
Partner: UNT Libraries Government Documents Department

Slipstream, December 1981

Description: Monthly newsletter published by the Maverick Region of the Porsche Club of America containing stories related to the organization or of interest to the group's members including news, upcoming and past events, other feature articles, and classified advertisements.
Date: December 1981
Creator: Porsche Club of America. Maverick Region.
Partner: Maverick Region Porsche Club of America

Gin.

Description: Patent for improved cotton gins through the "construction and arrangement of the roll box and the ginning devices" (lines 11-12).
Date: December 12, 1911
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Elevator-Guide

Description: Patent for an elevator guide to be used for safety elevators used in mines. Illustrations included.
Date: December 29, 1908
Creator: Martini, Henry
Partner: UNT Libraries Government Documents Department

Sulky-Plow.

Description: Patent for an adjustable plow, with instructions and illustrations.
Date: December 8, 1891
Creator: Jackson, Luther C. & Reiger, John F.
Partner: UNT Libraries Government Documents Department
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