Isambard Kingdom Brunel 2003 book and BBC TV series "Seven Wonders of the Industrial World" included a dramatisation of the building of the "Great Eastern". Many of Brunel's bridges are still in use. Brunel's first engineering project, the Thames Tunnel, is now part of the London Overground network. The Brunel Engine House at Rotherhithe, which once housed the steam engines that powered the tunnel pumps, now houses the Brunel Museum dedicated to the work and lives of Henry Marc and Isambard Kingdom Brunel. Many of Brunel's original papers and designs are now held in the Brunel Institute alongside the in Bristol, and are
Isambard Kingdom Brunel for that purpose. It was widely disputed whether it would be commercially viable for a ship powered purely by steam to make such long journeys. Technological developments in the early 1830s—including the invention of the surface condenser, which allowed boilers to run on salt water without stopping to be cleaned—made longer journeys more possible, but it was generally thought that a ship would not be able to carry enough fuel for the trip and have room for a commercial cargo. Brunel applied the experimental evidence of Beaufoy and further developed the theory that the amount a ship could carry increased