Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 442
t turnabout its axis. As the teeth are withdrawn towards one operation andend of the screw, others are interposed towards the other reason for theend, and thus an endless motion may be kept up; hencethe name of the machine.A plane through theaxis of the screw and per-pendicular to that of thewheel,… … section by a planethrough the axisof the screwperpendicular tothe axis of thewheel; 438 NATUKAL PHILOSOPHY. Fiar. 2*71. action samethose of twowheels withteeth;
Mechanics · Acoustics · Optics
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