Lock-Joint Rail. (open access)

Lock-Joint Rail.

Patent for a lockable joint for connecting segments of a railway track. The joint is resistant to breakages due to the passage of trains but allows for the replacement of worn track.
Date: May 5, 1914
Creator: Swindler, Edgar L.
System: The Portal to Texas History
Walking Cultivator (open access)

Walking Cultivator

Patent for a walking cultivator. Illustrations included.
Date: May 30, 1911
Creator: Roper, Andrew Washington
System: The Portal to Texas History
Subsoil Irrigating Implement (open access)

Subsoil Irrigating Implement

Patent for a farming irrigation cart which places the water beneath the soil using a plow.
Date: May 20, 1913
Creator: La Rue, Joseph A.
System: The Portal to Texas History
Metal Tie. (open access)

Metal Tie.

Patent for a metal railroad tie.
Date: May 2, 1911
Creator: Riley, Samuel L.
System: The Portal to Texas History
Shoe-Blackener. (open access)

Shoe-Blackener.

Patent for a shoe blacking device, which has a tank for holding the shoe blacking, a dispenser with a cut off valve and a dauber to apply the blacking to the shoe.
Date: May 31, 1910
Creator: Glasgow, Samuel G. H.
System: The Portal to Texas History
Boiler Attachment. (open access)

Boiler Attachment.

Patent for a boiler attachment to regulate the boiler feed pump.
Date: May 31, 1910
Creator: Morris, Gid M. & Watkins, John H.
System: The Portal to Texas History
Automatic Switch (open access)

Automatic Switch

Patent for an automatic switch for railroad tracks.
Date: May 2, 1911
Creator: Pickle, Voyl C.
System: The Portal to Texas History