“The closer the bird is to the surface of the water, the firmer and more inelastic is the uplift of the rising air. The bird appears to almost feel the surface with the tip of its weather wing.Quote by Lawrence HargraveTopics: Quotes about Lawrence HargraveShare on:FacebookPinterestWhatsApp
Used as kites, these rigid stable aeroplanes are superior to the very best cellular kites...#Lawrence Hargrave
The most ordinary conditions for observing sailing birds are then the wind and sea are...#Lawrence Hargrave
The wings are moved several times by hand to charge the crank chamber with mixture,...#Lawrence Hargrave
