the sea without any increase of pressure , as is illustrated by the dia - grams ( Figs . 342A — 342c ) i Iß SUPb from actual practice ; the blow oft other to be the easing valve , and loaded 1 lb . per square inch in excess of Figs . 342A , 342B . — a , Safety valve . b , Spring , cc , Studs the… … Fig . 342c — Section of Silent Blow - the pressure to which the boiler may ulti - off Nozzle on Ship ’ s side . a , mately be worked when it becomes old . Pipe from safety valve . B , Nozzle . c , Nozzle chest . d , loth . Springs should be adopted for Ship ’ s side . loading safety valves , and…
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