of We extract from the Belgian Bulletin du Musée the an- which require more attention than those of the planing nexed engravings of a novel shafting connection, the con- machine. The very high rate of speed at which the struction of whichis quite simple. Ona bracket, O, Fig. spindles are… … the shafts to be coupled. To these extremities, the acting ference between wrought iron and cast steel as re- parts, m, of the clutch are attached, and on each face of the gards their torsional and cohesive properties is as fol- latter are rings, V-shaped in cross section, which, when the lows, the…
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