like that illustrated. the aid of any metallic instrument, but merely by means of the semicircular hasp of the lock, which corresponds to a Apparatus of this kind haB the advantage over pumps that the rounded extremity of a piece of hard wood made to rotate semicircular recess in the plate of the… … and, therefore, applies a maximum proportion of the power to the useful work to be accomplished. Both the interior of the hasp and that of the recess which forms itB counterpart, are lined with thick leathers, cut in the form of halves of a flat ring, and let into grooves formed in the interior…
Patents · Iron · Vessel · Center · Munn · Apparatus · Patent office · Consists · Dated march · Wrought iron · Sir humphry · Specific gravity · Scientific American · Oxygen yielding · Tapering oval · Hearing june · Turbine water
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