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Scientific American 1907-10-05
701/1099
Manufacture of mechanical rubber goods. Machine for cutting out rubber tiles. Machine in which the scrap rubber is ground and sifted. Running a lod of "Rubber Shoddy" into the devulcanizing cylinder where, under action of steam heat, the sulphur is extracted.
Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
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- Saturday 21 February 2009
- Posted on
- Saturday 21 February 2009
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