The Kilsby Tunnel (Working Shaft)
Lithographic drawing by J. C. Bourne
Engineer: Robert Stephenson
Near Kilsby, Northamptonshire
Image source: "The London and Birmingham Railway," p. 193
The tunnel near Kilsby on the London & Birmingham Railway was "by far the longest tunnel to be built for steam engines" at that time (Labrum 219; commentary continues below).
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