Blue Hill Meteorological Observatory, author · [Cambridge] : [publisher not indicated] · leaf 30
62 BLUE HILL METEOROLOGICAL OBSERVATIONS. TABLE XVI. ELEMENTS OF THE HARGRAVE KITES. … The lifting surface is assumed to be the total surface minus the side planes. The sticks have a rectangular or an elliptical cross section. Several kites of each of the sizes given above have been made, each frame being slightly different from the others. All these kites are very stable, and fly in…
Kites (Meteorology)
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
