h-faced 0 St., Baltimore, Md. The can may be of any ordinary plates, preferably of tempered steel, having concave Iee on Mars, construction, but preferably should havea hermetically and convex serrated working edges, and onesquare end At arecent meeting of the Academy of Sciences, Paris, sealed top… … curnulators in existence at the time his experiments were made was sufficiently light, and a new one had therefore to be devised. After many experiments he plates, and riveting the wires down upon the outer tached to the rear at or near the base, which, besides found that by making use of a mixture…
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