| 1. | The line was single, with intermediate sidings operated by ground frame.
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| 2. | In some situations, signals may be worked from a ground frame.
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| 3. | From 1904 the signal boxes were abolished and replaced with ground frames.
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| 4. | The Engineer's siding at Eardington is controlled by a ground frame.
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| 5. | North box was replaced by a ground frame.
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| 6. | It is a old railway where points are served from a central ground frame.
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| 7. | He then supervised the operation of a small ground frame which controlled the points.
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| 8. | Access to each of the sidings and platform 2 is by means of ground frames.
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| 9. | It was located between ground frame, and an adjacent level crossing operated by hand.
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| 10. | An eight-lever LNWR ground frame controlled the points, signals and level crossing.
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