Cornwall, UK, is one of the oldest tin mining areas in the world. In their day, the Cornish pumping engines were the most powerful and economical steam pumps in the world. This 1948 documentary charts the history of these giant machines, which were designed and constructed by some of the most talented engineers in the UK. --- Shell’s surprising and captivating Historic Film Archive dates from 1934 and covers a rich mix of topics from technology, science and engineering to craftsmanship, motorsport and travelogue. The Shell Film Unit, responsible for the content, was a highly celebrated part of Britain’s Documentary Movement. Key figures from that movement were involved, including: Jack Beddington, Edgar Anstey, Arthur Elton, John Grierson, Kay Mander, Stuart Legg and Douglas Gordon. Its films were wide reaching, often screened in cinemas and through the non-theatric film distribution circuit, which brought film to educational establishments and organisations across the UK. ...