User:MichaelFrey/US15468
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A is the cylinder of a single acting engine B is the piston of a single acting engine C reservoir for containing atmospheric air under pressure / air-reservoir D a pipe furnished with a regulating-valve E main shaft F balance-wheel G Forcing Pump H rated diaphragm // gaue flame intercepter
b injection-valve c exhaust-valve d leaver e annular space (tuffed with sponge, feld or fibrouse absorbent) f suction pipie g metallic disk or plate // valve