, as, although it renders the cloth thoroughly water- upen which the aeronaut took his place. He had three le- eS OO proof, it is not impervious to air. vers, which he worked by hand, to give his machine propu]- Non-Corrosive Pipes and Plates. A recent patent by W. A. Shaw, of New York city, has… … protects the lead from corrosion, and that there is the power of any motor which he may apply to it. practically no corrosiv e action upon these metals when asso- graving shows clearly the manner of its use. Witha ciated in this manner. screw of 12 inches diameter and a motor of three mag- $$ nets…
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