Railway "block" Signalling : the Principles of Train Signalling And Apparatus for Ensuring Safety
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In our eReader you can find the full English version of the book. Read Railway "block" Signalling : the Principles of Train Signalling And Apparatus for Ensuring Safety Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Railway "block" Signalling : the Principles of Train Signalling And Apparatus for Ensuring Safety
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1 and No. 2 are actuated by the movement of the cam-wheel (C, Fig. 87), and change the positions of contact every quarter revolu- tion of C.
The switch marked " bell key " is actuated by the 248 RAILWAY SIGNALLING.
■depression of the lever similarly lettered in Fig. 86.
Normally the bell key (Fig. 88) makes contact at " 23 " ; when the lever is depressed, contact is made at " 33." The " local battery key " and " staff lock Fig. 88. — Webb and Thompson's Electrical Train Staff Diagram' ot Connec...tions for One Section of Single Line.
switch " bars (Fig. 88) are operated by the switch on the right hand of Fig. 86. When the handle is as shown by Fig. 86, the " staff lock " bar makes contact at "22" and the "local battery" bar is RAILWAY SIGNALLING. 249 -disconnected. When the handle is placed to " For staff " the " staff lock " bar makes contact at " 32 " and the " local battery " bar at 31. The cut-off switch (Fig. 88) is operated by the left-hand switch, shown in Fig. 86. When the indicator attached to the handle is in the position shown it does not affect the " cut off" switch, shown in Fig.
What to read after Railway "block" Signalling : the Principles of Train Signalling And Apparatus for Ensuring Safety?
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To quickly assess the difficulty of the text, read a short excerpt:
1 and No. 2 are actuated by the movement of the cam-wheel (C, Fig. 87), and change the positions of contact every quarter revolu- tion of C.
The switch marked " bell key " is actuated by the 248 RAILWAY SIGNALLING.
■depression of the lever similarly lettered in Fig. 86.
Normally the bell key (Fig. 88) makes contact at " 23 " ; when the lever is depressed, contact is made at " 33." The " local battery key " and " staff lock Fig. 88. — Webb and Thompson's Electrical Train Staff Diagram' ot Connec...tions for One Section of Single Line.
switch " bars (Fig. 88) are operated by the switch on the right hand of Fig. 86. When the handle is as shown by Fig. 86, the " staff lock " bar makes contact at "22" and the "local battery" bar is RAILWAY SIGNALLING. 249 -disconnected. When the handle is placed to " For staff " the " staff lock " bar makes contact at " 32 " and the " local battery " bar at 31. The cut-off switch (Fig. 88) is operated by the left-hand switch, shown in Fig. 86. When the indicator attached to the handle is in the position shown it does not affect the " cut off" switch, shown in Fig.
What to read after Railway "block" Signalling : the Principles of Train Signalling And Apparatus for Ensuring Safety?
You can find similar books in the "Read Also" column, or choose other free books by James Pigg to read onlineMoreLess
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