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Improvement in Toy Trumpets.

Description: Patent for improvements in toy trumpets in which in addition to making sound, the movement of air through the instrument also causes a disk on top of the instrument to revolve by the force of the air on paddles that form the bottom of the disk. The top of the disk will have decorative figures such as soldiers.
Date: September 12, 1876
Creator: Sterzing, Fred.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Piano-Forte Actions.

Description: Patent for a new piano forte design which "consists in certain novel details of construction, arrangement, and combination of the key-lever and its fulcrum and rest, a receiving-lever, a transmitting-eccentric, a secondary hammer, a principal hammer and its rest, and a damper-action and its connections, whereby greater simplicity and efficiency are obtained" (lines 10-17) including illustrations.
Date: May 27, 1879
Creator: Roedern, George O. V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Harmony Attachments for Piano-Fortes.

Description: Patent for, "an attachment for piano-fortes, whereby the musician may play the melody upon an instrument like the violin with his hands in the usual manner, and the accompaniment or harmony by operating the attachment with his feet."
Date: November 11, 1879
Creator: Radinsky, Gustav A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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