1843 · Shield Tunnelling with Brick Vault · Werk 77 von 1.871

The Thames Tunnel at Rotherhithe, twin horseshoe passages of brick joined by an arcade of connecting arches, miners working in the cells of Brunel's rectangular shield at the face, the shield a stack of iron frames divided into three storeys of small cells with one man in each, the men in shirtsleeves, waistcoats and cloth caps or bare-headed, the workings lit by candles and oil lamps and the finished passages by gas jets on the walls.