e elliptic tion; figure 2 is an end elevation, and figure 3 shutting off the steam that comes through in- in the cylinder in the rear side of :said form of the wheel produces will obviate the jar a diagonal transverse section through the line 1 abutment, while the piston passes, and to as- let, r.… … are forced inwards by a pressure of steam on to throw either cam into gear with the valves a ts. their back or outer ends, and radiated out- as required, and to facilitate the transfer of the wards by the elliptic piston as it revolves, valve stem gtuds'to the grooves of their respec- in propelling…
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