Railways and Locomotives: Lectures Delivered at the School of Military Engineering at Chatham in 1877Longmans, Green and Company, 1882 - 427 pagina's |
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Pagina 21
... of railway construction , which will be treated of in subsequent lectures . In modern practice , curves of from 30 to 40 chains radius are often introduced on high - speed passenger lines . Curves of 15 and 12 chains are used in ...
... of railway construction , which will be treated of in subsequent lectures . In modern practice , curves of from 30 to 40 chains radius are often introduced on high - speed passenger lines . Curves of 15 and 12 chains are used in ...
Pagina 30
... practice gives fairly correct general results . Next , we must not forget that earth excavated from a cutting will not be contained in an embankment of the same cubical dimensions as those of the cutting . The extra space required even ...
... practice gives fairly correct general results . Next , we must not forget that earth excavated from a cutting will not be contained in an embankment of the same cubical dimensions as those of the cutting . The extra space required even ...
Pagina 55
... practice in this country with small railways to make the earthworks and also the bridges by which the line passes over roads for a single line ; but it is generally the case that the bridges carrying roads over the railway are made for ...
... practice in this country with small railways to make the earthworks and also the bridges by which the line passes over roads for a single line ; but it is generally the case that the bridges carrying roads over the railway are made for ...
Pagina 93
... practice or not is a point which will not now be discussed ; but the fact remains that the wheels of railway rolling stock are almost invariably made conical , and it follows that it is desirable that the vertical axis of the rail ...
... practice or not is a point which will not now be discussed ; but the fact remains that the wheels of railway rolling stock are almost invariably made conical , and it follows that it is desirable that the vertical axis of the rail ...
Pagina 96
... practice the wheels squeeze and wear down the rails , till the rail section approximates to the general form of the wheels . It must also be borne in mind that wheel tires which have been long in use become hollow in the tread , and ...
... practice the wheels squeeze and wear down the rails , till the rail section approximates to the general form of the wheels . It must also be borne in mind that wheel tires which have been long in use become hollow in the tread , and ...
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amount apparatus arrangement axle axle-box ballast block system bogie boiler bolt break break of gauge bridges broad gauge buffers carriage catch-rod centre chairs construction crank cross sleepers Crown 8vo curves cutting cylinder diameter driving wheels eccentric Edition electric embankments engine engine-driver feet flanges frame friction gauge gear inches incline interlocking iron junction Lectures length load locking bar locomotive longitudinal main line mean effective pressure mode motion moved ordinary pair of wheels pass passenger piston placed plates point lever point rail position pressure R. A. PROCTOR railway road rolling stock ruling gradient screw semaphore semaphore arm shown in fig side signal box signal levers signalman slide valve slopes speed spring steam stock rail stroke surface timber tion tire tons traction traffic train trenail trucks tunnel tyre underframe vehicles vertical viaducts vols waggon weight width wood Woodcuts
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