Car-Coupling. (open access)

Car-Coupling.

Patent for an improved car coupling that can be operated without going between cars. The coupling facilitates "the coupling of cars having drawheads at the same and different heights by readily guiding the link of one of them into the other" (lines 14-17).
Date: July 18, 1893
Creator: Norcross, George A.
System: The Portal to Texas History
Nutcracking-Machine. (open access)

Nutcracking-Machine.

Patent for a nut-cracking machine that can crack hard shelled nuts.
Date: July 18, 1911
Creator: Elder, Benjamin W.
System: The Portal to Texas History
Nutcracking-Machine. (open access)

Nutcracking-Machine.

Patent for a nut-cracking machine for cracking hard shelled nuts.
Date: July 18, 1911
Creator: Elder, Benjamin Winchester
System: The Portal to Texas History
Piano-Key Mounting. (open access)

Piano-Key Mounting.

Patent for a piano key mounting with a key pin that makes the "touch" required to depress the keys easily adjustable.
Date: July 18, 1911
Creator: Mayor, Enoch Allen
System: The Portal to Texas History