As a child, I used to love watching Shirley Temple's movies and I was drawn to reading her autobiography, Child Star. This was one of the best Hollywood autobiographies I have ever read because of the way Shirley gave a complete overview of her life.
Definition of engineer's brake valve. : a valve in the cab of a locomotive for operating the air brake.
There is a valve in the brake line of each brake controlled by the ABS. 1  On some systems, the valve has three positions: 2  In position one, the valve is open; pressure from the master cylinder is passed right through to the brake. 3  In position two, the valve blocks the line, isolating that brake from the master cylinder.