The steam engine familiarly explained and illustrated; with an historical sketch of its invention and progressive improvement; its applications to navigation and railways; with plain axioms for railway speculators (1849)
ever sufficientto render the above assertion untrue. This property of the conical pendulumarises from the circumstance of the centrifugal force, in this instance, varyingas the radius of the circle in which the balls are moved ; and when this is thecase, as is well known, the periodic time is… … Drawn iy /,<■ _l,,r/,„,
Steam-engines
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