. American engineer . 4 in- pip^ intoa horizontal nozzle which extends about three-fourths of the waythrough the trap. The admission of air is controlled by a globevalve close to the motormans brake valve. From the trap thesand is blown through a 1 in. pipe which connects to a 1J4 hose 36 in. long, providing for the swing of the truck. Thebottom end of the hose is fitted with a nipple which connectsthrough a street elbow to a 1 in. x 1 in. pipe cross where thesand is separated by means of a wedge-shaped plug in the bottomof the cross. The separated sand goes to each leading wheel throug
. American engineer . 4 in- pip^ intoa horizontal nozzle which extends about three-fourths of the waythrough the trap. The admission of air is controlled by a globevalve close to the motormans brake valve. From the trap thesand is blown through a 1 in. pipe which connects to a 1J4 hose 36 in. long, providing for the swing of the truck. Thebottom end of the hose is fitted with a nipple which connectsthrough a street elbow to a 1 in. x 1 in. pipe cross where thesand is separated by means of a wedge-shaped plug in the bottomof the cross. The separated sand goes to each leading wheel through 1 in. pipes, bent to deliver sand to the rails directlyahead of the wheels and securely fastened to the truck sand rigging is made in the companys shops and in. Sand Trap fo the entire time that it has been in operation there has not beena single case where sand did not flow freely to the rails. Anover-supply of sand cannot feed into the trap, nor has any trouble lStreef El/
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
