. Scientific American Volume 92 Number 08 (February 1905) . nterof gravity is lower than that of a circular tank ofequal capacity. To prevent the water from rushing from one end to theother on starting andstopping, a series ofbaffle-plates is pro-vided extending to-ward the center fromthe top and bottom offhe tank. The lowerplates are providedwith suitable open-ings for the passage ofthe water. The tank isinteriorly braced byangle-iron stiffeningmembers riveted tothe shell and extend-ing entirely around baffle-plates aresecured to thesebraces. The rear wall of the coal-hood is in effect
. Scientific American Volume 92 Number 08 (February 1905) . nterof gravity is lower than that of a circular tank ofequal capacity. To prevent the water from rushing from one end to theother on starting andstopping, a series ofbaffle-plates is pro-vided extending to-ward the center fromthe top and bottom offhe tank. The lowerplates are providedwith suitable open-ings for the passage ofthe water. The tank isinteriorly braced byangle-iron stiffeningmembers riveted tothe shell and extend-ing entirely around baffle-plates aresecured to thesebraces. The rear wall of the coal-hood is in effect a continuation of the end of the tank. The hood is provided with side-walls, a distance apart equal to the major axis of the cross-section of the tank. The rear end has sliding doors with, handles. In front of it is a platform on which the fireman may stand. The underframing of this car consists primarily oftwo longitudinal draft-sills which are connected di-rectly to the shell of the water-tank, and which havemounted between them ordinary In the earlier forms of the Laval steam turbines, a5-horse-power motor, with a diameter of 12 centimeters,made about 30,000 revolutions per minute. 164 Scientific American. February 25, 1905. ROCKY MOUNTAIN AVALANCHES. BY DAY ALLEN WILLEY. While avalanches or snow-slides frequently occur in theRocky Mountain region, andmany of them are of great mag-nitude, what is known as the SanJuan district in southwesternColorado is especially notablefor these movements, owing tothe formation of the of the peaks are over13,000 feet in height, and theconditions are especially favor-able for the motion of the snow,as the mountain sides are deeplycut with gulches, which formnumerous routes. Consequently,not only in winter, but duringthe spring, miners and othersworking on the slopes of themountains are obliged to be con-tinually on the lookout, for fre-quently without warning an ava-lanche will descend with such
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