Brake Pipe
The pipe running the length of the train, which transmits the variations in pressure required to control the brake on each vehicle.
Brake Pipe
The air brake piping of a car or locomotive which acts as a supply pipe for the reservoirs. When all brake pipes on the cars are joined, the entire pipe line comprises what is commonly called the "train line".
Brake Ratchet (Hand Brake) ...
Brake Pipe Gradient
The difference in brake pipe pressure between the locomotive (or source of supply) and the rear car of the train.
Brake Rigging ...
Angle Cock An appliance used for the purpose of opening or closing brake pipe on ends of cars, rear ends of tenders, and front ends of switch engines so equipped. Provision is made for supporting hose at proper angle.
Brake pipe angle cocks do not have bleed holes to drain hoses. AntiCreeper (US) A device firmly attached to the base of a rail and bearing against a crosstie (sleeper), to keep the rail from moving longitudinally under traffic.
Bail By moving the independent brake handle sideways, the engineer can release locomotive brake cylinder pressure that is due to an automatic brake application (a brake pipe pressure reduction).
A valve located at each end of locomotives and cars used to open or close the brake pipe. The handle is hinged so as to lock in either the open or closed position. When the handle is in-line with the brake pipe, the angle cock is open.
The continuous line of air-brake pipes in a train, formed of pipes on the locomotives and cars and the hoses connecting them.
Trainmen
Umbrella term for conductors, brakemen, yard foremen, and switchmen.
Refers to the continuous brake pipe running throughout a train. See the entries for air brakes or vacuum brakes for details.
Train Out of Section ...
I think its meaning is probably to hold the brake pipe pressure at its current value, with the pipe neither connected to the main cylinder nor to the outside atmosphere. Therefore the brakes are held in their current state, usually partially applied.
Auto brake A type of fail-safe system that uses air pressure to hold the brakes off so that in the event the air pressure is lost in the brake pipe the brakes will automatically apply.
For an "Initial Terminal" air test, the crew would charge the brake pipe, apply the brakes, check leakage, inspect each car to determine if the brake is applied, ...
FREDs not only flash a warning light to the rear of the train, they also transmit the brake pipe air pressure at the end of the train to the engineer so that he knows that his train remains together.
 See also: Train, Engine, Locomotive, Track, Current
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