Plans and drawings by James Henry Greathead, as Chief Engineer of the City and South London Railway, and as "the inventor of Travelling Shield that made possible the cutting of the tunnels of London's deep level tube system."Lithographed by Thos. Kelly, 40, King St, Covent Garden. This is Plate 3 'From 'Minutes of Proceedings of the Institution of Civil Engineers. Vol: CXXIII Session 1895 - 96'
Approx 73cms by 20cms..