States the requirements essential in a satisfactory brake for modern service, describing electric transmission as applied to the universal control valve. (2500 w.) (No. 46426 A)
Electro-pneumatic brakes
Ry Loc Engng
1913
Ills.
Article (Journal)
English
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Engineering Index Backfile | 1950
|IET Digital Library Archive | 1950
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Engineering Index Backfile | 1949
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