Resource Type
Counties
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Aerodrome
Patent for an aerodrome/helicopter with improved wing design.
Date:
June 27, 1911
Creator:
Snow, Guy
System:
The Portal to Texas History
Projectile.
Patent for elongated, simple, and efficient projectile that enables it to remain on course including instructions and illustrations.
Date:
August 27, 1918
Creator:
Fender, Brown
System:
The Portal to Texas History