2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Governor for Explosive-Engines.
Patent for a governor for explosive engines for use in trains, which will increase the fuel efficiency of the engines.
Date:
April 27, 1909
Creator:
Mayo, William C. & Houlehan, John
System:
The Portal to Texas History
Seal-Lock.
Patent for a seal lock for railroad cars, which will show whether an unauthorized entry has been made by requiring the seal ton be broken before the lock opens.
Date:
April 27, 1909
Creator:
Christian, Edward L.
System:
The Portal to Texas History