1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Advertising-Machine.
Patent for an advertising machine that reverses the travel of the apron that is used to connect with, and where, the display sign is printed. It also easily and efficiently reverses the driving mechanism once the apron is completely unwound from one of the rollers. The patent includes illustrations.
Date:
July 22, 1913
Creator:
Looney, Marma Duke
System:
The Portal to Texas History