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Record Number : DARRM:1991.262 View full record

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Image Description : block instrument

Object Description : Block instrument. Polished wooden box with dial behind a glass front. Dial indicates whether there is a train on line, line clear or line blocked. There is also another dial on the outside of the box with a handle which reads the same as the other dial. An arch is cut out of the wood underneath the second dial. Used at Geneva Signal Box, Darlington.