Cooling Apparatus. (open access)

Cooling Apparatus.

Patent for a cooling apparatus for food that uses the process of evaporation of water to cool the apparatus.
Date: April 4, 1911
Creator: Steen, Mary L.
Object Type: Patent
System: The Portal to Texas History
Casting-Machine (open access)

Casting-Machine

Patent for a casting machine. Illustrations included.
Date: April 11, 1911
Creator: Mills, Virgil H.
Object Type: Patent
System: The Portal to Texas History
Automatic Vehicle Brake (open access)

Automatic Vehicle Brake

Patent for automatic vehicle brake. The invention "provides a spring controlled rack cooperating with a gear or pinion or a vehicle wheel." (line 18-20). Illustrations included.
Date: April 4, 1911
Creator: Uhl, Edgar G.
Object Type: Patent
System: The Portal to Texas History
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
Object Type: Patent
System: The Portal to Texas History
Billiard Cue (open access)

Billiard Cue

Patent for a billiard cue. This invention is designed with removable tips. Illustration included.
Date: April 4, 1911
Creator: Borroughs, John Vertie
Object Type: Patent
System: The Portal to Texas History