from Philadelphia to Pittsburgh. ed with each other internally by sliding plates, coupling is thrown over so that the lever is at right The total number of passengers carried over it dur- which are V-shaped on their outward ends (shown at angles with the shaft, the edges of the sliding plates ing… … The SCIENTIFIC AMERICAN is indispensable to every inventor, JiASOS'S PATEKT FRICTIONAL CLUTCH. as it not only contains illustrated descriptions of nearly all the best in- ventions as they come, but each number contains an Ollicial List of forcible contact with the groove to which they are opposite…
Patents · Combination · Inches · Feet · Iron · Claim · Scientific American · Purpose · York city · Steam engines · Purpose set · Sulphuric acid · Purposes set · Feed movement · Address munn · Patent office · Main draft
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