21. To name a few things, railway vacuum brakes , numerous mechanical, electrical and electronic signalling innovations. 22. The heating surface was and the engine and coaches had a single automatic vacuum brake . 23. By c . 1876, a simple vacuum brake system was introduced as a reserve brake. 24. Electro-vacuum brakes have also been used with considerable success on South African electric multiple unit trains. 25. It had also been fitted with vacuum brakes . 26. Electric lighting and vacuum brake gear were fitted. 27. Continuous vacuum brakes were not fitted until 1925-27. 28. All coaches except kitchen cars were electrically lit and normally fitted with vacuum brake as standard. 29. It was equipped to work train vacuum brakes and to provide steam heat for passenger trains. 30. Because " Knorr compressed-air brake which was controlled by the vacuum brake used for the train.
