His helicoidal saw is, in reality, an endless cable formed by twisting together three steel wires in such a way as to give the spirals quite an elongated pitch.
The ascending motion, which is controlled by the endless screws, f, and the helicoidal wheels, m, is in this way effected with great regularity.
The most interesting application of the helicoidal saw is in the exploitation of quarries.
The pulleys, D D, are channeled, and receive the cable, a a, which serves as a helicoidal saw.
It was then attempted to make the descent by the aid of the helicoidal drum; but this jumped the rails, and broke them almost immediately.
In the Wetli system, instead of this rail and the pinion on the vehicle engaging it, there is a drum having a helicoidal thread which engages with triangular rails.
Backmann's proposed helicoidal elevator for the upper section of the Eiffel Tower.
It was the direct plunger system of Leon Edoux, and was, for the time, far more rationally contrived than Backmann's helicoidal system.
Saint-Giles screw, worm-shaped screw and helicoidal surfaces to any generatrix.
Observations on the general ruled helicoidal surface, and on the surface of intrados of the winding staircase.
Helicoidal trompes at the angles of straight arches; voussures or widenings, which it is necessary to substitute near the heads at the intrados of an arch with a considerable skew; case where the skew is not the same for the two heads.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "helicoidal" in a variety of sentences. We hope that you will now be able to make sentences using this word.
