Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 217
eter appears attached to the press, to serve asan indicator of the degree of compression. This is important in experi-ments on the resistance of materials to crushing weights. 200 PARIS UNIVERSAL EXPOSITION. There is one consideration which requires attention in presses con-structed on this… … Desgoffe & Olliviers Sterhydraulic Apparatus. enlargement of the radius by which it acts. And this unfavorable effectoccurs at that part of the course where the pressure on the piston isgreatest ; and where, accordingly, the mechanical advantage of the motivepower ought rather to be increased…
Machinery · Scientific apparatus and instruments
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