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 viii
... Electrical Signals - Electrical Instruments - Three - wire System- Train Describer - Automatic Signals - Electric Slot- General Principles of Block System - Temporary Rail- ways and Expedients - Gradients for Temporary Lines- ' Fell ...
... Electrical Signals - Electrical Instruments - Three - wire System- Train Describer - Automatic Signals - Electric Slot- General Principles of Block System - Temporary Rail- ways and Expedients - Gradients for Temporary Lines- ' Fell ...
Pagina 128
... electricity , and these will be referred to in a subsequent lecture . The ' out door ' signals given are always two and often three in number . The two signals which are always employed are All right , ' or ' Proceed , ' and ' Danger ...
... electricity , and these will be referred to in a subsequent lecture . The ' out door ' signals given are always two and often three in number . The two signals which are always employed are All right , ' or ' Proceed , ' and ' Danger ...
Pagina 129
... electric telegraph in working railways , the object aimed at in signalling is to preserve not an interval of time , but an interval of space , between trains . So long as the latter is preserved , no collision can take place , but the ...
... electric telegraph in working railways , the object aimed at in signalling is to preserve not an interval of time , but an interval of space , between trains . So long as the latter is preserved , no collision can take place , but the ...
Pagina 134
... electrical ' Re- peaters ' are used for the purpose of showing the signal- man how his distant signal stands . The mechanical repeater acts by a ... ELECTRIC REPEATERS . 135 moves another arm within sight of 134 RAILWAYS AND LOCOMOTIVES .
... electrical ' Re- peaters ' are used for the purpose of showing the signal- man how his distant signal stands . The mechanical repeater acts by a ... ELECTRIC REPEATERS . 135 moves another arm within sight of 134 RAILWAYS AND LOCOMOTIVES .
Pagina 135
... ELECTRIC REPEATERS . 135 moves another arm within sight of the signalman , or moves an indicator , such as a disc or small semaphore , in the signalman's cabin . The alteration in the length of the repeating wire from temperature or ...
... ELECTRIC REPEATERS . 135 moves another arm within sight of the signalman , or moves an indicator , such as a disc or small semaphore , in the signalman's cabin . The alteration in the length of the repeating wire from temperature or ...
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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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