. Railway mechanical engineer . Rotary Brush Used for Car Cleaning olutions per minute. In places where compressed air is notavailable an electric motor would no doubt prove equallywell adapted for driving the brush. The brushes used in cleaning the cars are made especiallyfor this purpose in the companys shop. The back is ofpoplar wood 8 in. in diameter. The holes in which the tuftsof bristles are set are ^ in. in diameter and are spaced about}s in. from center to center. The spacing of the holes is laidout on a sheet metal templet which is placed over the woodIjack and serves as a guide when
. Railway mechanical engineer . Rotary Brush Used for Car Cleaning olutions per minute. In places where compressed air is notavailable an electric motor would no doubt prove equallywell adapted for driving the brush. The brushes used in cleaning the cars are made especiallyfor this purpose in the companys shop. The back is ofpoplar wood 8 in. in diameter. The holes in which the tuftsof bristles are set are ^ in. in diameter and are spaced about}s in. from center to center. The spacing of the holes is laidout on a sheet metal templet which is placed over the woodIjack and serves as a guide when the holes are drilled. Thebristles are of capitol Tampico and project about an inchand a half from the back. Each tuft is held in place by awire staple driven in the hole and is further secured bysetting in glue. The proper shape and size of the brush areimportant. The flat surface should not be so large that themotor is slowed down when it is pressed on the work and theedge must be designed to reach into the corners. By alter
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
