. Science of railways . Watertown Coal Sprinkler—Sectional View of Controlling Valve which now closes due to the pressure of the air and at thesame time this pressure forces water through a siphon nipplein the tank and out through the squirt hose. Shutting offthe hose by means of the handle shuts off all air communi-cation and vents the tank so that it at once fills automatically. LOCOMOTIVE APPLIANCES. 309. Reservoir vent to aimospDere Q Handle Id position, air and water slint offHandle in position, hose operating^-^ ^ p CombinaUon air and water codPipe to air reservoir/^^^^ ^~/ ^^Rnbber sqoi

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. Science of railways . Watertown Coal Sprinkler—Sectional View of Controlling Valve which now closes due to the pressure of the air and at thesame time this pressure forces water through a siphon nipplein the tank and out through the squirt hose. Shutting offthe hose by means of the handle shuts off all air communi-cation and vents the tank so that it at once fills automatically. LOCOMOTIVE APPLIANCES. 309. Reservoir vent to aimospDere Q Handle Id position, air and water slint offHandle in position, hose operating^-^ ^ p CombinaUon air and water codPipe to air reservoir/^^^^ ^~/ ^^Rnbber sqoirt lios«

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