Resource Type

Month

Wax-Press (open access)

Wax-Press

Patent for a wax press for pressing oil out of wax that does not have to be opened to test the wax or remove it for use.
Date: April 23, 1912
Creator: Hansen, Julius
System: The Portal to Texas History
Tuning Device for Pianos. (open access)

Tuning Device for Pianos.

Patent for "a means whereby the strings of a piano may be easily and deliberately tuned, and when tuned they will be held absolutely rigid and unyielding under all circumstances while the pins are set in wood, thus avoiding any possibility of the jarring of the parts." (Lines 36-42) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Orser, Levi
System: The Portal to Texas History