The Science of Railways: Operating trains. 1913

accidents acetone acetylene air pump American Railway Association angle valve appliances asbestos axle Baker Heater block signals block system blow-off valve boiler burner carbide carbon carriers closed coal cock coil color blind combustion condensation connected defective devices diaphragm direct steam disc distant signal drip duties electric employes engine equipment expansion drum filling valve fire flame fuel Gold system GOLD'S IMPROVED govern green heating pipes heating system holder hose inch indicated inlet interlocking L Coupling light live steam locomotive mantle necessary operation outlet oxygen passenger trains passes Pintsch gas placed position pounds prevent proceed proper radiating pipes rail railroads railway regulator removed reservoir road rules safety screw semaphore side speed station Steam Coupler stop storage strainer switch tank telegraph temperature test card tion track circuit traffic train pipe pressure train pipe valve train service trainmen trap vapor voltage