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Advertising-Sign
Patent for large outdoor advertising sign that is inexpensive to illuminate but still catches attention by providing the illusion of movement.
Date:
August 20, 1918
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Silo.
Patent for a feed storage building that allows silage to be discharged from bottom, removing the opportunity for air and spoilage organisms to affect remaining feed when silage is removed. A screw- or auger-like conveying device moves feed downward and eliminates the need for multiple points of door or window access in upper portions of the silo.
Date:
August 13, 1918
Creator:
Holmgreen, Julius H.
System:
The Portal to Texas History