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