Automatic Railway Switch Lock (open access)

Automatic Railway Switch Lock

Patent for an automatic railway switch lock. Illustration included.
Date: May 17, 1904
Creator: Sulfer, Charles
System: The Portal to Texas History
Sash Cord Holder (open access)

Sash Cord Holder

Patent for a sash cord holder. Illustration included.
Date: May 10, 1904
Creator: Haas, Edward
System: The Portal to Texas History