It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up.
-- Lawrence Hargrave
   
Lawrence Hargrave   Name:
Lawrence Hargrave
Type:
Scientist
Nationality:
Australian
Birth:
January 29, 1850
Death:
July 14, 1915
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