Automatic Safety Attachment for Air-Brakes (open access)

Automatic Safety Attachment for Air-Brakes

Patent for an automatic safety attachment for air brakes that can be attached to trains and automobiles. Illustrations included.
Date: April 11, 1911
Creator: Hamilton, Ernest Hubbard
System: The Portal to Texas History
Machine for Cleaning Seed-Cotton. (open access)

Machine for Cleaning Seed-Cotton.

Patent for an improved machine that cleans and transfers seed cotton to a gin. It combines exhaust fans and a cleaning mechanism, and is less expensive than similar machines.
Date: April 11, 1893
Creator: Cannon, Burrell
System: The Portal to Texas History