Page 2 covers the early and later independent discs.
Page 3 gives detail pictures of the later independent discs.
Ground Signals
| These pages cover the more common ground
signals. This page covers point discs and the first
independent discs. Page 2 covers the early and later independent discs. Page 3 gives detail pictures of the later independent discs. |
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Just about as simple as you can get, a point disc, directly connected to the rodding. This would be termed a non independant disc. Fairly rare by the 50's. These are easy to make work, a rod from underneath. When the blades move, the lamp casing rotates to show a green face to the driver. However, this does not prove the road. Radstock 1965. |
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A familiar scene at Didcot, with a ground disc in the foreground. Also a moveable scotch, the red bar across the rails. This would be unusual in later years. |
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Moving onto independant discs. Here is one of the early ones, that was modified in later years with separate detection. Some pictures to help you build the D&S kit in 4mm scale. Taken at Toddington on the narrow gauge railway, an excellent visit for a signalling person. |
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Rear view showing the blinder over the hole in the rear of the lamp case. Also note that the enamelled plate is bolted onto the front of the original signal arm. |
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| The missing detection that proves the road is shown in the picture left and above of the disc that was at Witham (Somerset). | |