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 139
... signalman at such Points and signals right for main a junction could , as was his duty , 1 2 3 4 1,2 3.4 1,2 3,4 1,2 3,4 1,2 3,4 down and branch up lines . 1.2 3.4 3.4 1234 1 2 3 4 3 4 1 2 3 4 1234 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 FIG ...
... signalman at such Points and signals right for main a junction could , as was his duty , 1 2 3 4 1,2 3.4 1,2 3,4 1,2 3,4 1,2 3,4 down and branch up lines . 1.2 3.4 3.4 1234 1 2 3 4 3 4 1 2 3 4 1234 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 FIG ...
Pagina 140
... signalman and the other lever by the other signalman . Supposing that each lever is at the lower end of its slot , and that either lever in that position retains the semaphore arm at ' Danger , ' then if one signalman moves his lever ...
... signalman and the other lever by the other signalman . Supposing that each lever is at the lower end of its slot , and that either lever in that position retains the semaphore arm at ' Danger , ' then if one signalman moves his lever ...
Pagina 141
... signalman's lever will be inoperative so far as giving a signal is con- cerned . When , however , the second signalman moves . his lever , the remaining obstacle to the movement of the semaphore arm is withdrawn and the signal falls by ...
... signalman's lever will be inoperative so far as giving a signal is con- cerned . When , however , the second signalman moves . his lever , the remaining obstacle to the movement of the semaphore arm is withdrawn and the signal falls by ...
Pagina 142
... signalman to give conflicting or dangerous signals . The first invention - though it went to the root of the interlocking principle , and indeed effected the immense improvement that conflicting signals could not be given , and that the ...
... signalman to give conflicting or dangerous signals . The first invention - though it went to the root of the interlocking principle , and indeed effected the immense improvement that conflicting signals could not be given , and that the ...
Pagina 144
... signalman . When the sliding bolt is in either of the notches , the movement of the lever is complete , and so long ... signalman's hand so as to lift the lower end of it out of the notch in the quadrant ; and when the movement of the ...
... signalman . When the sliding bolt is in either of the notches , the movement of the lever is complete , and so long ... signalman's hand so as to lift the lower end of it out of the notch in the quadrant ; and when the movement of the ...
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Veelvoorkomende woorden en zinsdelen
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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