Map (open access)

Map

Patent for a map of New Jersey.
Date: June 16, 1903
Creator: Mayes, John F.
System: The Portal to Texas History
Steering-Gear for Traction-Engines (open access)

Steering-Gear for Traction-Engines

Patent for improvements to a steering gear for traction engines by means of a steam-cylinder and a valve to control the steam flow, including illustrations.
Date: January 16, 1906
Creator: Cantelou, Peter Louie
System: The Portal to Texas History