y means of the removable pipe; either may be used at pleasure; the one not clamps, C, Fig. 1. For wringing it is fastened to the used to be closed with a plug. A is a brass nipple tub or, any similarly shaped vessel, by the swivel or cone screwed into the body of the trap; the inner clamp. end is… … WILSON’S STEAM TRAP. Tank engines came into extended use be- These machines do the workin the most perfect B, the valve, is a plate of common solder, raised on tween 1847 and 1850 for branch traffic, and for ser- manner, giving a brilliancy of luster and prominence the under side of the steel leaf…
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