The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 358
t the chain fr, from slipping; P,is a pulley placed on a stud in the framing, under which pulley thechain /r, also passes; A, is a hollow weight which ascends anddescends with the tide, and B, is a counter-weight, heavy enoughto hoist the weight C, and and preserve the tension of the chaink, whilst… … are being put together. The endless chain /, /, passes over thepulleys G, and H, and is kept in close contact with them by theweight C, and counter-weight suspended from it by the pulleysc, and d. During the ebbing of the tide and consequent descentof the hollow weight A, the weights B, and C, are…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
