![1955 Mercedes 300SLR with brake flap up. This air brake was necessary, because back then drum brakes were used on the car … | Mercedes benz 300, Mercedes benz, Benz 1955 Mercedes 300SLR with brake flap up. This air brake was necessary, because back then drum brakes were used on the car … | Mercedes benz 300, Mercedes benz, Benz](https://i.pinimg.com/736x/3d/d4/37/3dd437827e52d6e0a798af3ff3decd1c--mercedes-benz--coolest-cars.jpg)
1955 Mercedes 300SLR with brake flap up. This air brake was necessary, because back then drum brakes were used on the car … | Mercedes benz 300, Mercedes benz, Benz
![Air brakes, an up-to-date treatise on the Westinghouse air brake as designed for passenger and freight service and for electric cars . eels. The normal condition of the triple valve when Air brakes, an up-to-date treatise on the Westinghouse air brake as designed for passenger and freight service and for electric cars . eels. The normal condition of the triple valve when](https://c8.alamy.com/comp/2CGWG5C/air-brakes-an-up-to-date-treatise-on-the-westinghouse-air-brake-as-designed-for-passenger-and-freight-service-and-for-electric-cars-eels-the-normal-condition-of-the-triple-valve-when-the-train-isrunning-over-the-road-and-the-brakes-are-not-being-used-is-withthe-triple-valve-pistons-and-slide-valve-in-release-position-the-brakesreleased-and-the-auxiliary-reservoirs-charged-and-maintained-atthe-pressure-for-which-the-feed-valveengineers-brake-valveisadjusted-service-position-as-the-brake-pipe-is-connected-to-the-chamberh-fig-45-of-each-triple-valve-a-reduction-in-brake-pipe-press-2CGWG5C.jpg)
Air brakes, an up-to-date treatise on the Westinghouse air brake as designed for passenger and freight service and for electric cars . eels. The normal condition of the triple valve when
![File:Air brakes, an up-to-date treatise on the Westinghouse air brake as designed for passenger and freight service and for electric cars (1918) (14763592112).jpg - Wikimedia Commons File:Air brakes, an up-to-date treatise on the Westinghouse air brake as designed for passenger and freight service and for electric cars (1918) (14763592112).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Air_brakes%2C_an_up-to-date_treatise_on_the_Westinghouse_air_brake_as_designed_for_passenger_and_freight_service_and_for_electric_cars_%281918%29_%2814763592112%29.jpg/1280px-Air_brakes%2C_an_up-to-date_treatise_on_the_Westinghouse_air_brake_as_designed_for_passenger_and_freight_service_and_for_electric_cars_%281918%29_%2814763592112%29.jpg)