Civil engineering designed by CEGB Bristol and carried out by staff at Mary Tavy Power Station under direction of Fred Jackman, P/s Superintendant. Railway sleepers were used to brace the walls of the bore. Alec Kendall's safety helmet was one found earlier that year at the Excelsior Tunnel.
This photograph is by Alec and was uploaded December 14th 2009. © Alec please do not copy or distribute without prior express permission.
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