The C&SLR, London's first deep-level tube railway, was built under the supervision of James Henry Greathead, who had been responsible, with Peter W. Barlow, for the Tower Subway.
C&SLR, Londons første dybtliggende tube-jernbane, blev anlagt under James Henry Greatheads kontrol, som, sammen med Peter W. Barlow, var ansvarlig for Tower Subway.