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Plate 132 is a context view of the north portal of Helm Tunnel.
Built between 1870 and 1873 it is 571yds in length and was cut through red marl. It has stone side walls, invert and faces, and a brick arch was provided.
Attention is drawn to the position of the nameboard which has 4in cast letters on a 2ft 9in x 1ft 9in cast iron plate, mounted on recovered and machined sleepers with a finished size of 11in x 5in. In this image the top of the plate stood 6ft above ground level.
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