A Dictionary of science, literature, and art [electronic resource]: comprising the history, description, and scientific principles of every branch of human knowledge; with the derivation and definition of all the terms in general use (1844)
Brande, William Thomas, 1788-1866, Cauvin, Joseph · New York : Harper & brothers · leaf 533
e moves in a verticalplane, and is supported oa astand. The axis of the circle isa hollow tube, within which is asmaller axis, fitting so tightlythat when turned round it car-ries the other axis, and conse-quently the wheel, along withit, unless the latter is purposely.prevented from moving.… … GOSPEL. held and a turned, the smaller axis may be turned independ-ently of the circle. Attached to the end of the smalleraxis is a sort of universal joint, capable of being fixed in dif-ferent positions by means of screws. The crystal to be ex-amined is attached to the joint at c by a little soft…
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