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Adding the the Hull story, this one (Wilmington) is now on a cycle route, but was looking very smart in 2009:

 

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and a view along the river of the one in post 179 (that's still open), showing the central bearing of the bridge:

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I can recommend a trip along that river (by car, bike or boat) - some fascinating bridges to be seen.

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Strictly speaking Wilmington is not a "Block Post" and never was, so therefore not a "Signal Box". Nevertheless, a very interesting structure. I have numerious glass plate negatives, plus several drawings. For your interest, a few attached.

On the sky line of the top picture, about 4inches from the left edge, the H&B bridge and signal box can be seen. Best Wishes, Mick.

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Great quality on those 100-year-old photos.

 

...Strictly speaking Wilmington is not a "Block Post" and never was, so therefore not a "Signal Box"....

Out of interest, do you happen to know the operational details - if it wasn't a block post, did it control rail traffic approaching the bridge? Or did the adjacent signalboxes control the traffic and then send a message to the bridge box to open? Would there be some kind of interlocking?

Signalling non-expert here, so go easy...

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The swing bridge was released by Wincolmlee signal box, there was electric locking etc between the various signals. As a further safe gaurd Sykes Lock and Block was also in use. At your request, I have kept it simple, I have full details here, or see the book "More Illustrated History of the Railway's of Hull". I belive still in print from "Booklaw". Best Wishes, Mick.

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This comes with not knowing the patch.. I'd seen C4 in the picture upthread and thought i had a diagram but this is 4A.

 

The structure still remains in the middle of Carlisle station, it looks like a bay window !

 

Thanks for the info.

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very nice photos Mick, crying out tio be modelled.

 

I couldn't agree more, certainley food for thought. This would be a formidable structure in 7mm, but what a model it would make. Thanks for posting Mick,

 

ATB Mick

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If anyone is interested, I have a good set of drawings here of Wilmington Bridge, as reproduced in the Engineer 1908. A quick calculation, the bridge as a 160ft span x approx 30ft wide (Plus the Walkway on the north side) or 3ft 9ins X 8 1/2ins (7mm) and 2ft 1 1/2ins (4mm.) I know of at least one model, I don't recall the builder's name but the finished job was in "BRM" about 15 years ago. Mick.

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Yet another "Blast from the Past", I stumbled across the attached, one of my early signals of c1994. No prizes for noticeing the deliberate mistake, I look forward to your answers. Best Wishes, Mick.

 

Ah! is the base 'post' parallel and not tapered?

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Latest effort, ex North British Railway stop signal 4mm scale MSE etches, post edged with 0.8mm angle

Arm to be connected and a slight amount of tidying up. Mick.

We are currently restoring a full size version of this at the Kingdom of Fife Railway preservation society ( see NBR signal parts - Railways of Scotland forum ). your model is superb, the signal arm is particulary good. I assume your model is post grouping as the ladder would be an LNER addition

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NBR signal arm in the background, shunt-facing road signal arm in foreground awaiting repair

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Thanks for kind comment re my model signal.

I note your full size arm still has the ex NB "Green" spectacle glass and not the more usual "Blue".

I fitted the ladder to "Finish off" the job, it didn't look right without one. Mick.

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Thanks for kind comment re my model signal.

I note your full size arm still has the ex NB "Green" spectacle glass and not the more usual "Blue".

I fitted the ladder to "Finish off" the job, it didn't look right without one. Mick.

The NBR "Blue" glass was used as parafin lamps gave off a yellow light, when shone through "blue" glass showed signal green. "Green" glass was used for oil lamps which produced a white light. The "Blue" glass on your model is colour perfect, we made the mistake of using Blue glass in a NBR flap ground signal - a yellow light behind it gives off a purple light. The correct colour is a blue/green tone, a guy that restores stained glass windows is making a replacement for us colour matching it using a piece of broken spectacle glass.

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