A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 440
here very essential, andmust be attended to ; viz. not to sliake or disturbthe apparatus in removing the body from thescale, as this may change a little the point ofsupport, and alter the degree of friction. Toprevent this, the crotches F, F, are brought upto the beam, witliout removing it from its… … /, anfon,M,i/ijiArr/ /,r r/i^n,„s Tlftf. 7;\r*r„p3iifr,. fii/y./^/fKtt. .l.ShnrySc. BALANCE. 405 nearly as can be judged equal to it, are put inthe scale; the other body is then removed, thecrotches let down, and the balance left on itspoint of support as at first; and successive smallweights…
Encyclopedias and dictionaries · Aeronautics
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