UNT Libraries Government Documents Department - 4 Matching Results

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Automatic Telephone-Exchange System.
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).
Corn-Husker.
Patent for a "simple, inexpensive, and convenient hand-operated machine employing an oscillating knife or cutter for severing the stalk or stem and at at the same time clamping the shucks, so that the ear, when turned, will effect the bursting open of the shucks, thus permitting the ready removal of the ear" (lines 8-15).
Hoe.
Patent for a new and useful hoe, including instructions and illustrations.
Sulky-Plow.
Patent for an improved, simple, and durable sulky-plow that "may be shifted laterally by the driver during the act of plowing whenever such action is deemed advisable, thereby changing the cut whenever occasion may demand" (lines 10-14). The plow can attach to any type of wheeled plow.
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