Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 417
s of two other forms of cast-iron flanged pipes,both with projections fitting into grooves. The packing in Fig. 939 is a ringof lead. In Siemenss air reservoirs, where the pressure sustained by steel ringsis 1,000 pounds per square inch, the joint is made by turning a V-groove in 400 MACHINE DESIGN… … Fig. 937.
Mechanical drawing
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