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 666
ngine,commencing on page 87, it is remarked that it will be seen by com-paring these figures that there are two pairs of pistons, each pair beingattached to a core which occupies but half the length of the cylinder inthe direction of the axis. The comparison of the figures given does notillustrate… … aeff™ mislaid, was omitted. This cut is here supplied. It represents theengine in elevation, with a longitudinal section of the cylinder, and of theelliptical gear-wheels which are directly driven by the pistons. One ofthe pairs of pistons is seen in complete section, attached to a core which 650…
Machinery · Scientific apparatus and instruments
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