A 1930s steam engine which was bought for £50 in 1950 ... The auctioneers said following a "lively bidding battle between bidders from the UK and the USA" the 1932 10hp B6 Showman's Road ...
The Kew Bridge Steam Museum in London has the largest working Cornish Steam Engine in the World. It was actually built for the site to pump water to West London and started work on the 30th May 1846.