k, being held outwardly against the rails by centri- ing, and the intersections will be thepointsof the curve inclined plane, although it travels over a longer dis- fugal force. The descent of the ball is accelerated. The required. Through these points the curve is drawn and tance. In the case of… … Fig. l.-SWIFTEST DESCENT APPARATUS. Fig. 3.-CENTRIFUGAL RAILWAY. Fig. 4.-SPIRAL RAILWAY. ning is practically vertical. This curve has been called form to this curve. The track, when completed, must high, six inches in diameter, the rails being %. inch the curve of swiftest descent, as a falling…
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Internet Archive · Public domain (published before 1931). Free to use for anything.
