A system of natural philosophy, designed for the use of schools and academies (1845)
Moffat, J[ohn] M. [from old catalog] · Philadelphia, E. C. Biddle · leaf 90
he latter will augment the effect.Either method may be adopted to a certain extent; but if the wheelbe extremely large it may be inconvenient and unmanageable; andon the other hand, if the axle be very slender, it will be wTeakand insecure. Both these evils are avoided in the construction For what… … of the double capstan, an ingeniouscontrivance, said to have been broughtfrom China. It consists of two cylin-ders differing in diameter, connect-ed, as in the marginal figure, turn-ing about the same axis, while theweight is suspended by the loop ofa long cord, one end of which un-coils…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
