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Aerodrome
Patent for an aerodrome. Illustrations included.
Date:
June 6, 1911
Creator:
Mayhew, Nathaniel L.
System:
The Portal to Texas History
Heater
Patent for a new and useful heater design "particularly for heating the water in the circulating system of internal combustion engines, such as are used in automobiles" (lines 10-12). Illustrations are included.
Date:
June 6, 1916
Creator:
Smith, Frederick C.
System:
The Portal to Texas History