1. The saturated steam drive was on the outside and had slide valves . 2. The four superheated engines which retained slide valves were withdrawn 1931 1936. 3. His design had a sliding valve in the bowl outlet above the trap. 4. The original unbalanced slide valves were replaced with balanced slide valves . 5. The original unbalanced slide valves were replaced with balanced slide valves. 6. They had been built with slide valves and Joy valve gear. 7. It was never used as widely as piston valves or the earlier slide valves . 8. He designed a special planing machine for planing the faces of the slide valves . 9. They had a large steam dome, slide valves , and used staybolts in the boiler. 10. The high-and intermediate-pressure cylinders used piston valves, whereas the low-pressure cylinders used slide valves .
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