will flow out into or interior; this injures the color of the vulcanite piece separately, at the expense of two operations. through the channels, leaving the piece full and per- plates, and is effectually obviated by enameling the The improvements here illustrated effectually over- fect. exposed… … MC'DERMUT'S PATENT VULCANIZING APPARATUS. sel from a cylindrical to an oblong form, wherein the Scientific American Patent Agency. The ap- rubber, as prepared for dental use, is slightly elastic each flask is placed side by side, and each receives a paratus is the invention of J. L. McDermut;…
Combination · Claim · Patents · Set · Purpose · Manner · Purpose set · Constructed · Rotating pattern · Pattern block · York city · Oxalic acid · Scientific American · Sewing machine · Patent office · Purposes set · Sewing machines
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