successively: eut away, it would have inside clearance. 1, Piston up in full. Valve 2 down. 2 Piston 3} down. Valve quite down. Fig. Gis a section through such a slide valve, in which C is 3. Piston down. Valve 4 up. the slide, A A, the outside laps ; F F, the steam ports ; E the 4. Piston 44 down.… … 1. Piston, down in full. Valve, $ up. 2. To find the thickness of metal in the bars, add -#; of an 2. Piston, Z up. Valve, quite up. inch to the hight of thesteam ports. 8. Piston up. Valve, + down. 8. To find the clearance of the inner edge of the steam ports, “The piston is always before its…
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