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Operation of miniature Webb and Thompson. ETS machines

Signalling outside the UK (but including Northern Ireland), past, present and future

Re: Operation of miniature Webb and Thompson. ETS machines

Unread postby Wilkinstown » Sun Jan 24, 2016 9:04 am

While there may well have been instruments with internal bells in some countries, I have never seen the arrangement in Ireland.

In general, as far as I understand it, the Post Office and it's various successors maintained both the instruments and the pole routes. There were some exceptions, including the South Wexford line where the railway company took the responsibility on itself. This line was the last substantial new build in Ireland opening in 1906.

In some cases pole routes and way leaves continued to be used for years after the associated railway line was closed - one example being Dundalk to Clones which was still in use in the 1970s by the post office. I think parts of the Valentia line (and doubtless other lines) are still used by Eir for telecom cables of one sort or another.

In more recent years other pole routes carried little more than block wires and as time went on reliability deteriorated to the extent that Irish Rail found it worthwhile to plough it's own cabling adjacent to the track. As far as I am aware maintenance of the instruments still remained the responsibility of the Telco.

Traditional ETS working is still maintained between Tipperary and Waterford West and between Killonan Junction and Roscrea. There are instruments in place between Roscrea and Ballybrophy although this section of line is usually operated under manual token regulations.
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Re: Operation of miniature Webb and Thompson. ETS machines

Unread postby madscientist » Mon Jan 25, 2016 3:28 pm

Traditional ETS working is still maintained between Tipperary and Waterford West and between Killonan Junction and Roscrea. There are instruments in place between Roscrea and Ballybrophy although this section of line is usually operated under manual token regulations.


Thanks for that
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Re: Operation of miniature Webb and Thompson. ETS machines

Unread postby AndyB » Tue Feb 2, 2016 6:24 pm

Current sections off the top of my head are Tipperary-Clonmel-Carrick on Suir-Waterford West and Killonan-Birdhill-Roscrea. Navan-Tara Mines and Roscrea-Ballybrophy are both theoretically miniature ETS, but in both cases the staff usually acts as a manual token, the Ballybrophy instrument only being used when a train operates through to the main line.
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Re: Operation of miniature Webb and Thompson. ETS machines

Unread postby MRFS » Wed Feb 3, 2016 4:48 pm

Wilkinstown wrote:While there may well have been instruments with internal bells in some countries, I have never seen the arrangement in Ireland.


I am 99.9% sure that there were never any (M)ETS with internal bells - space is incredibly limited in the S pattern's head and sometimes you see external contact boxes mounted on the back of the S pattern head: the intermediate at Dduallt and the RSCo display instrument in the NGRM are examples of such.
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