. Railway mechanical engineer . erators.—Circular 203 of the South-western regional director reminds enginemen that by keepingwater gages and shields clean or by slightly relocating thelamps of these water gages, it will not be necessary to runheadlight generators during daylight as is now l^eing done inmany cases. Reports of .Air Brakes Cleaned.—The Eastern regionaldirector by Order 1801-131A691, calls for regular monthlyreports, beginning with April, showing the number of freightcar air brakes overhauled, with a .statement showing the ratioof number cleaned to number of freight cars owned. I
. Railway mechanical engineer . erators.—Circular 203 of the South-western regional director reminds enginemen that by keepingwater gages and shields clean or by slightly relocating thelamps of these water gages, it will not be necessary to runheadlight generators during daylight as is now l^eing done inmany cases. Reports of .Air Brakes Cleaned.—The Eastern regionaldirector by Order 1801-131A691, calls for regular monthlyreports, beginning with April, showing the number of freightcar air brakes overhauled, with a .statement showing the ratioof number cleaned to number of freight cars owned. Iron That Can Be Whittled.—It is well known thatrapid cooling of hot metals hardens them. That the oppositeis true has recently been demonstrated in striking bythe General Electric Company. One of their scientists an-nealed .\merican ingot iron surrounded by hydrogen gas forthree hours at a temperature aliove deg. F. The productwas vepi- little harder than the softest copper, and can bewhittled with a ^EF^ &>\ STORAGE BATTERY CARS FOR USE INYUCATAN The three cars shown in the illustrations have just beendelivered to the United Railways of Yucatan by the RailwayStorage Batter}- Car Company, New York. The cars aredriven by motors geared to the axles and power is supplied tothe motors by Edison storage batteries. The cars are de-signed to be operated either singly or in trains by multipleunit control. The schedule as laid out for service to be performed coversthe run from Merida to Progreso, a distance of miles. sills of 10-in., 15-lb. channel sections. The transoms are builtup of flat plate; the top or tension member is 9 in. wide by7 in. in thickness, while the bottom member is 9 in. wide by1 in. in thickness. In addition to the end sills the underframeincludes a curved buffer beam of 5-in. by S-in. by J/2-in. anglesection curved to a radius of IS ft. 4 in. The cross membersof the underframe are 6-in., 8-lb. channels and are five inn
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
