Resource Type

Boltless Rail-Joint (open access)

Boltless Rail-Joint

Patent for a rail joint designed without bolts. Illustrations included.
Date: July 30, 1912
Creator: Crawford, William R.
System: The Portal to Texas History
Boltless Rail-Joint (open access)

Boltless Rail-Joint

Patent for a rail joint designed without bolts. Illustrations included.
Date: July 30, 1912
Creator: Crawford, William R.
System: The Portal to Texas History
Lathe Attachment. (open access)

Lathe Attachment.

Patent for a jeweler's lathe attachment which holds jewelry without scratching it.
Date: July 25, 1911
Creator: Schultze, John
System: The Portal to Texas History
Vehicle-Wheel. (open access)

Vehicle-Wheel.

Patent for a vehicle wheel that "embodies a flexible tread and radially arranged springs for absorbing shocks and cushioning the yielding of the parts of said tread." (lines 10-13).
Date: July 10, 1917
Creator: Anderson, Lycurgus
System: The Portal to Texas History