A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 229
eated experiments,by means of which he ascertained the possibility of travelling ina carriage drawn by two paper-kites, supported at a moderate ele-vation, and impelled by the wind. The elevation of the paper-kite in the usual manner, with a line attached to a loop on theunder-side of the machine,… … 139. The kite is here represented rising from the ground, theline W denoting the direction and force of the wind, which fallingon an oblique surface, will be resolved into two forces, namely, To what useful purposes has the kite been occasionally converted ?On what principle is its ascent to be…
Physics
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