Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 58
onsidered within thelimit of safety, so long as it continues to rotate m a planeat right angles to its geometrical axis. And it may bemoved in the plane of its rotation or at right angles to it,that is, in the direction of the length of the shaft, withoutcreating any more internal disturbance than… … 36 EXPERIMENTAL SCIENCE. vastly different, and the result will be a tendency to rotateabout a new axis between the other two, and the centrifugalstrain upon the wheel is supplemented b} a twisting strain,which is an important but generally unnoticed factor in thedestructive action. To bring this…
Physics · Lantern projection · Electric apparatus and appliances
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