Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 919
Conventional Signs of Riveting. … In the WilTcinson stoker the coal is fed mechanically through an inclined pipe on tothe dead plate P and slides down upon the bars, which are hollow^ and set at an angle.The top of the bars is stepped, and ^w?/6re-shaped openings about J x 3 inches are pro-vided in each riser. The bars are carried…
Mechanical drawing
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