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58 (LVIII) — 1947-1948
Railway Embankment, Cross-section, 7.
Ram Pumps, 30, 38, 81, 95.
Ranging Curves, 283, 291, 306.
Reciprocating Pumps, 49, 150, 173.
Removing Firedamp Accumulations, 93.
Resultant Force, 130.
Riedler Valve, 38.
Right-hand Rule, 126.
Roadway Conveyors, 235.
Ropes, Power Transmission by, 3, 72.
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