. Supplement to Spons dictionary of engineering, civil, mechanical, military, and naval. their seats, and in consequence a diflQculty in keeping them tight; in some of the best examplestlie number of beats is 1000 to 1200 a bale pressed. With this system there is much loss of usefuleffect from friction of parts; and, while a considerable cost in mamtenance is involved, owing tothe wear and tear of the gearing, only a very slow speed in working the presses is obtained. 14Y5. ::^::o\ C. 1476.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectenginee, bookyear1879