Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
an ancient city of Syria, celebrated for its water-works, thesewheels are employed; some of them being seventy feet in diameter. The construction of the water-works of Hamath have remained un-altered, in their general design, from very remote times. The peculiarlocality of the river (named El Ausi,… … 167. Figure 12. — Endlesschain of pots.—The chain of potsis ail uncient invention, and is usedas an overshot water-wheel, where thefall of water is great, and the streamsmall; though it is chiefly employedfor elevating water, cleaning docks,deepening harbors, etc. The chain is hung on arms, T, of…
Physics · Astronomy
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