as near to the top of the cylin- distributed through the various details der as possible, the valve rods and of the wheel. One extremity of the valve faces being inclined so as to point twelve spiral springs is attached to the to the centre of the crankshaft. The double spokes, and the other end is… … to haul the threshing machine through a ploughed field. If the land be wet, been obviated by the application of the compound engine ; the high pressure slide valve is of small dimensions, and, working on the compound principle, it is partially balanced. For want of space we have been com- pelled to…
Engineering
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