Lawrence Hargrave Quotes
The most ordinary conditions for observing sailing birds are then the wind and sea are both aft.
Citations
Hargrave, Lawrence. "Sailing Birds are Dependent on Wave-Power." Journal and Proceedings of the Royal Society of New South Wales, vol. 33, Royal Society of New South Wales, 1899, p. 129.
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Lawrence Hargrave, MRAeS, was an Australian engineer, explorer, astronomer, inventor and aeronautical pioneer.