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Automatic Telephone-Exchange System.

Description: Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).
Date: December 5, 1893
Creator: Serdinko, John
Partner: UNT Libraries Government Documents Department

Axle-Lubricator.

Description: Patent for an axle lubricator that continuously lubricates an axle through a hollow nut in the end of the hub bushing, and the oil cup can be refilled easily and without removing the wheel.
Date: December 5, 1893
Creator: Miller, William J.
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for an improved quarter circular press with a rebounding plunger. The "improvements are in the arrangements and securing of the plates to receive the king-bolt; and braces to guide and support the lever; and, the links linking the plunger-bar direct to the king-bolt, and suitable tripping mechanism" (lines 20-26).
Date: September 5, 1893
Creator: Schubert, George
Partner: UNT Libraries Government Documents Department

Buckle.

Description: Patent for a buckle meant for use with harnesses and "wherein the ordinary movable and hinged tongue is dispensed with, and a rigid stud or pointed projection is used in reversed positions at opposite ends of connecting loops" (lines 9-13).
Date: December 5, 1893
Creator: Odom, Plesant W.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a car coupling that operates automatically and without causing danger to the railway employees. It operates by a lever on the side or top of the car.
Date: December 5, 1893
Creator: Burglin, Bernhard
Partner: UNT Libraries Government Documents Department
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