Resource Type

2 Matching Results

Results open in a new window/tab.

Stock Feeder (open access)

Stock Feeder

Patent for stock feeder, for automatically feeding grain (or mill food) to stock (particularly hogs) with feeding troughs on opposite sides of oscillating storage hopper.
Date: November 22, 1921
Creator: Dierks, John
System: The Portal to Texas History
Leaf-Turner. (open access)

Leaf-Turner.

Patent for a new and improved leaf turner which allows the piano player to turn the pages of their sheet music without taking their hands off the keyboard. This leaf turner is "noiseless and efficient in operation and...will respond instantly to the actuating impulse" (lines 21-23). It is not expensive to make, and securely holds music and releases it without effort.
Date: January 11, 1921
Creator: Holcom, Jarret C.
System: The Portal to Texas History