The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 52
Fig. 2.—Nasmyths Direct Action Steam Hammer. as to cost, in some cases, nearly as much as the whole metallic part ofthe apparatus. With respect to the action of such a forge hammer, as seen inFig. 1, it will be found that one grand defect in principle exists,namely, that when engaged in hammering a…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
