tely., The first one, which was made by the steam- BY DR. ALFRED GRADENWITZ ward gear, the cut-off was about one-third stroke, and er, resulted in the comparatively slow time of 1:03. Though the removal of buildings has long been a the mean effective pressure about one-half the steam- The Darracq… … The springs are parallel to the placed on the sliding way. The whole of inside of the the removal body, so as to work occupied 32 minutes. The lighthouse tower reduce the air resistance to a minimum. Ball bearings chest pressure, The engine therefore develops 6 horse- weighs about 60 tons, and is…
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