Frog and Guard Rail for Railway Tracks (open access)

Frog and Guard Rail for Railway Tracks

Patent for a frog and guard rail for railway tracks. Illustration included.
Date: June 6, 1911
Creator: Thomas, John W.
System: The Portal to Texas History
Car-Coupling. (open access)

Car-Coupling.

Patent for "improvements in car couplings and it has for its general object to provide a coupling embodying such a constructions that two cars may be connected together or disconnected without the objectionable necessity of a trainman going between them." (Lines 11-17) Includes instructions and illustrations.
Date: November 6, 1894
Creator: Tunnell, John D.
System: The Portal to Texas History
Window Frame And Sash. (open access)

Window Frame And Sash.

Patent for new and useful improvements in window frames and sashes, including instructions and illustrations.
Date: February 6, 1900
Creator: Wood, Alpheus H. & Tunnell, John D.
System: The Portal to Texas History