ur is ready for the next step, than ever. Even at the present no less than fifty ma- erable machinery has been invented and is used to called "forming." chines are in constant operation. a large extent in many felting processes, especially in The forming machine consists essentially of a cas- The… … The Dredger Closed. The New Clam-Shell Dredger Open. ated copper cone about a yard high. The machine is scraper" method. It was also narrow and was con- commonly employed in many of the operations of the provided with proper feed apparatus, including an oil- structed with an abrupt slope, both…
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