Railway ConstructionLongmans, Green, and Company, 1898 - 365 páginas |
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Página 22
... lower a signal for the approach of a train until after he has set the points in the proper position for it to pass ; that it shall not be possible for him to exhibit at the same moment any two signals that can lead to a collision ...
... lower a signal for the approach of a train until after he has set the points in the proper position for it to pass ; that it shall not be possible for him to exhibit at the same moment any two signals that can lead to a collision ...
Página 26
... the loop- points . ( b ) A loop - line to be constructed lower down the incline than the station platform with a similarly placed catch - siding or throw - off switch . ( 2 ) At a siding - junction in one 26 RAILWAY CONSTRUCTION .
... the loop- points . ( b ) A loop - line to be constructed lower down the incline than the station platform with a similarly placed catch - siding or throw - off switch . ( 2 ) At a siding - junction in one 26 RAILWAY CONSTRUCTION .
Página 27
... lower end of a goods or mineral train , in which case an undertaking ( see No. 35 ) to do so , given by the company , will be accepted as sufficient : - ( a ) A similar loop to be constructed as in the case of a station . ( b ) Means to ...
... lower end of a goods or mineral train , in which case an undertaking ( see No. 35 ) to do so , given by the company , will be accepted as sufficient : - ( a ) A similar loop to be constructed as in the case of a station . ( b ) Means to ...
Página 30
... lower portions of the gates to be either close barred , or covered with wire netting . 32. Mile posts , half mile , and quarter - mile posts , and gradient - boards to be provided along the line . 33. Tunnels and long viaducts to be in ...
... lower portions of the gates to be either close barred , or covered with wire netting . 32. Mile posts , half mile , and quarter - mile posts , and gradient - boards to be provided along the line . 33. Tunnels and long viaducts to be in ...
Página 33
... lower ground , away up amongst the hills and mountain ranges , it becomes an intricate study whether it will be possible to lay out any line at all which may possess gradients and curves practicable for railway working . The question of ...
... lower ground , away up amongst the hills and mountain ranges , it becomes an intricate study whether it will be possible to lay out any line at all which may possess gradients and curves practicable for railway working . The question of ...
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adopted arching arrangement B.Sc ballast bogie truck brickwork bridge cabin caisson carriages carried cast-iron chairs centre CHEMISTRY clay constructed convenient creosoted crossing Crown 8vo culverts curves cutting cylinder Diagrams distance electric embankment engine excavation Fish-bolts fish-plates gauge gradients ground ground frame heavy Illustrations inches iron laid length level crossings levers line of rails line of railway load loading-bank lower main girders main line masonry material Mile of Single necessary obtained ordinary over-line passenger passing permanent piers placed plate platforms points portion position public road published by Longmans RAIL LEVEL railway river roadside station roadway rock Scientific Works published shown in Fig signal-cabin signalman signals single line sketch sleepers spikes standard gauge station STEEL FLANGE RAILS STRENGTH OF MATERIALS strong suitable surface terminal stations timber TONS traffic train train-staff tunnel turn-tables vertical viaducts waggons weight wheels width Woodcuts wooden wrought-iron yard
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