UNT Libraries Government Documents Department - 5 Matching Results

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Coffee-Pot.
Patent for "improvements in coffee-pots, and has for its object the provision of an improved coffee-grounds holder, together with a device of improved form for spraying the water thereover, the latter device operating in conjunction with a condenser; and a further object is to provide the pot with an adjustable handle." (Lines 12-19) Includes instructions and illustrations.
Mail-Transferring Apparatus.
Patent for a mail transferring apparatus designed to transfer mail bags from a station to a moving mail car with minimal injury to the mail bag or the receiving employees.
Quilting-Frame.
Patent for a quilting-frame that holds "the quilt in position to be sewed with an ordinary sewing machine" (lines 13-14). The frame has rollers on it.
Telephone-Transmitter.
Patent for a telephone-transmitter "with a diaphragm and carbon button carried thereby, of a spring-supported flaring conical carbon-cell provided with a flange covered with soft material and resting on the carbon button carried by the diaphragm, the carbon-cell being filled with granulated carbon resting in contact with the carbon button" (lines 13-19). This is meant to optimize the volume of sound being transmitted.
Well-Pulley.
Patent for a new and improved well pulley, including instructions and illustrations.
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