The Thames Tunnel remains the oldest piece of the Underground's infrastructure.
His most famous achievement was the construction of the Thames Tunnel.
The Thames Tunnel was the first successful large tunnel ever built under a navigable river.
Several tunnels are over a century old: the original Thames Tunnel was the world's first underwater tunnel.
The Thames Tunnel loomed before them, a double-barreled shotgun nearly a quarter of a mile long.
The present surface building is located a short distance to the south of the original entrance shaft to the Thames Tunnel.
Although it was a triumph of civil engineering, the Thames Tunnel was not a financial success.
At this time all work had ceased on the Thames Tunnel due to repeated flooding and lack of finances.
About 40 years later the Brunels built the Thames Tunnel at a nearby location.
He would participate in an attack on the Thames Tunnel, threatening many civilians inside.
