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Yarmouth South Town Signalbox.

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Yarmouth South Town Signalbox.

Unread postby Richard Pike » Sat May 20, 2017 6:06 pm

I decided my terminus station would be loosely based on Yarmouth South Town. The signalbox was quirky enough to raise an eyebrow or two. I felt i didn't need to know too much about the place as the model would be a compromise etc. Once i got started though so many questions came to light.

For a start most information on the web implies the box was built in 1943 to replace the bomb damaged original. The new box has rather a lot of glass for a structure built at that time. The GE Society doesn't list the lever frame properly and other sources suggest the original frame was reused.

From the internal picture i've seen the lever frame is an LNER 1946 Railway Signal Co product. That would have been interesting to install in 1943! Again from the internal photo there are two block instruments, a Tyers GE one wire double line block and a GN style pegger, non pegger and bell. This implies Yarmouth South Town Junction box had been dispensed with.

My question are..

When was this box built?

Why was such a structure chosen?

Was some sort of temporary working implemented after the bomb damage and the box in the photo's was built in 1957?

Did it control Yarmouth South Town Junction?

Does anyone have a signalling plan or box diagram?

https://www.flickr.com/photos/34149001@N06/32087151700/

https://www.flickr.com/photos/125096403 ... 279343436/

One thing for sure that is not really conveyed by the photo's.... it's flipping huge. I've measured it by counting bricks etc.

Here are my efforts so far..

https://www.flickr.com/photos/32297024@N08/34647372351/
Last edited by Richard Pike on Sun May 21, 2017 4:32 pm, edited 1 time in total.
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Re: Yarmouth South Town Signalbox.

Unread postby Mike Hodgson » Sat May 20, 2017 11:04 pm

Richard, your first two links don't work (though the 3rd is fine). Mike
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Re: Yarmouth South Town Signalbox.

Unread postby John Hinson » Sun May 21, 2017 2:49 am

It was 1957, and South Town Junction had been controlled from the 1930s.

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Re: Yarmouth South Town Signalbox.

Unread postby John Hinson » Sun May 21, 2017 10:42 am

And here is a diagram, dated a loose "c1960" but quite possibly correct at opening in 1957:
https://signalbox.org/diagrams.php?id=1156


It isn't my best work, some details may be unclear, let me know if you have any queries. I have no details of the track-circuiting but I suspect it was quite extensive.

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Re: Yarmouth South Town Signalbox.

Unread postby Stuart Johnson » Sun May 21, 2017 1:15 pm

In John Brodbribb's "Illustrated History of the East Suffolk Railway" (OPC 2003), page 128 has a picture dated 19 May 1955, showing the new box in use and looking well-established.
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Re: Yarmouth South Town Signalbox.

Unread postby John Hinson » Sun May 21, 2017 3:13 pm

Mmmmm, do you think that is an accurate date? Interesting . . .

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Re: Yarmouth South Town Signalbox.

Unread postby Richard Pike » Sun May 21, 2017 4:33 pm

Mike Hodgson wrote:Richard, your first two links don't work (though the 3rd is fine). Mike


Links updated.. Thanks Mike..
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Re: Yarmouth South Town Signalbox.

Unread postby Richard Pike » Sun May 21, 2017 4:43 pm

John Hinson wrote:Mmmmm, do you think that is an accurate date? Interesting . . .

John


I'm have all sorts of problems with dates..

http://www.berneyarms.co.uk/html/yarmou ... 1947_1.htm

In this shot some of the windows appear to be boarded over on the inside.

In this shot the loco was withdrawn in 1955..

https://mikemorant.smugmug.com/Trains-R ... -SZ2KkW6/A
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Re: Yarmouth South Town Signalbox.

Unread postby Stuart Johnson » Sun May 21, 2017 5:28 pm

Richard Pike wrote:I'm have all sorts of problems with dates..

http://www.berneyarms.co.uk/html/yarmou ... 1947_1.htm

In this shot some of the windows appear to be boarded over on the inside.


That ties up with the other picture on page 128 of Brodribb's book: an (undated) interior view with the box evidently in use and fairly new, but the lighting makes it clear that some parts of the front windows are blanked off. The train register desk and telephones are opposite the low end of the frame, corresponding to the left-hand "boarded over" portion on the exterior view.

Is it possible that the structure was designed to have the frame facing the track, and there was a late change of plan?
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Re: Yarmouth South Town Signalbox.

Unread postby John Hinson » Sun May 21, 2017 6:08 pm

Well, the SRS Signal Box Register puts a theory that I find puzzling, but given the comments above could well be the correct answer.

It shows the box opened 1943 as an "LNER type 13 ARP special" with 85 levers with "80 levers 12-1957; possibly a new frame". I can't see much about that box that looks "ARP" nor can I think of a good reason to renew the frame with five less levers. So that may be the sequence - but it also leaves me wondering why the diagram I posted has "opened 1957" written in the corner (cropped out in the posted image).

A replacement frame in the rear would justify the blanked-off windows.

Richard - you dated the frame style but not having seen an internal view I can't identify the type - is it a GNR(I) frame?

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Re: Yarmouth South Town Signalbox.

Unread postby Richard Pike » Sun May 21, 2017 6:42 pm

Yes it is a GNR(I) frame like Hitchin Yard, Sleaford South, High Marnham, Gainsborough Trent Junction etc. The internal photo i've seen is with signalman with back to work, frame in rear of box.
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Re: Yarmouth South Town Signalbox.

Unread postby Richard Pike » Sun May 21, 2017 7:05 pm

Looking at the plan i guess that homes 2 and 3 are far enough back from the junction for unrestricted acceptance? The plan helps me understand why i've not been able to find a run round ground frame near the end of platforms 2 and 3.

From the internal photo both the GE one wire and GN type blocks have Welwyn winders. The track circuiting arrangements must have been quite extensive at the south end of the layout.
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Re: Yarmouth South Town Signalbox.

Unread postby John Hinson » Sun May 21, 2017 8:17 pm

Richard Pike wrote:Yes it is a GNR(I) frame like Hitchin Yard, Sleaford South, High Marnham, Gainsborough Trent Junction etc. The internal photo i've seen is with signalman with back to work, frame in rear of box.

Much obliged.

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Re: Yarmouth South Town Signalbox.

Unread postby Richard Pike » Mon May 22, 2017 10:46 am

Some more progress on the model...

https://www.flickr.com/photos/32297024@N08/34009421653/

I've still not got my head round the original yet. I'm hoping for some track circuit details in the post in the next few days.
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Re: Yarmouth South Town Signalbox.

Unread postby Mike Hodgson » Mon May 22, 2017 12:51 pm

Richard Pike wrote:Looking at the plan i guess that homes 2 and 3 are far enough back from the junction for unrestricted acceptance?


They would presumably have to be described as Home Signals rather than as Outer Homes and signal 4-7 could not be called the Inner Home if you wanted to be allowed acceptance from both routes at the same time. Why the fixed distants below the Homes though?
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