. Railway mechanical engineer . been or-dered for application to locomoti\es now Ijeing constructed. BLUE SIGNAL SAFETY DEVICE Tlie imjiortance of the Ijlue flag, which is used to protectthe workmen while repairing cars, should never be under-estimated. Any disregard of this signal is lialjle to causeinjury and sometimes death to the men who find it necessaryto go under the cars to make the required repairs. The ordinarily used for protecting such cars consistsof a blue flag which is more or less carefully stuck into atie or into the ground. Often this signal is either knockeddo
. Railway mechanical engineer . been or-dered for application to locomoti\es now Ijeing constructed. BLUE SIGNAL SAFETY DEVICE Tlie imjiortance of the Ijlue flag, which is used to protectthe workmen while repairing cars, should never be under-estimated. Any disregard of this signal is lialjle to causeinjury and sometimes death to the men who find it necessaryto go under the cars to make the required repairs. The ordinarily used for protecting such cars consistsof a blue flag which is more or less carefully stuck into atie or into the ground. Often this signal is either knockeddown b) tlie wind or by some careless employee, thus offer-ing no protection to the string of cars on which the work isbeing done. In winter it is difficult to place it in position sothat it will remain fixed. Sometimes switchmen will take achance, remove the flag and place a car on the repair Blue Signal Safety Device Being Applied This, of course, is contrary to the rules and should never beallowed. In order to provide a signal which will give ample andpositive protection, the Acar ilanufacturing Company, 30Church Street, New York, has recently placed on the marketa signal standard which cannot be removed except by theproper authorized person. As shown in the , tliisblue flag standard is clamped and locked to the rail and canonly be removed liy the man who carries the key for the lockand when cnce put in position, it will remain in place. Theclamp which fits over tlie rail is made to fit the shape of therail and can be applied to rail sections weighing from 56 to100 lb. The arms of the clamp are riveted together andtelescoped in the body of the standard which is a pece ofpipe. The upper part of these extend nut through a slot July, 1917 RAILWAY MECHAXICAL ENGINEER 411 in the pipe and the arms are of such shape that as thestandard is raised the)- will op
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
