Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . Fig. 69.—Hargrave kite. by Mr. Patrick Y. Alexander during the last few years, and is calledby him an aerosack. It may be described as consisting of a pillow-case, into the mouth of which a hoop has been inserted. If it ishoisted on a stick and kept with its mouth towards the wind, itbehaves in exactly the same way as the Japanese carp. The ordinary kite musthave been well known atthe time when BenjaminFranklin applied them forelectrical purposes. Hehad
Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . Fig. 69.—Hargrave kite. by Mr. Patrick Y. Alexander during the last few years, and is calledby him an aerosack. It may be described as consisting of a pillow-case, into the mouth of which a hoop has been inserted. If it ishoisted on a stick and kept with its mouth towards the wind, itbehaves in exactly the same way as the Japanese carp. The ordinary kite musthave been well known atthe time when BenjaminFranklin applied them forelectrical purposes. Hehad proved that longinsulated metal rods wereable to collect electricity from the atmosphere, and proposed to conduct it from the clouds toearth. In 1752 he constructed kites, such as were used by children;he covered them with silk and added a metal point at the the same time Eomas did likewise. The metal tip wasconnected in one way or another with an insulated conductor, from.
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Keywords: ., bookcentury1900, bookdecade1900, bookpubl, booksubjectaeronautics
