2793031 The South Hetton Collieries Railway, showing how a train of loaded wagons draws a train of empty ? (engraving) by English School, (19th century); Private Collection; (add.info.: The South Hetton Collieries Railway, showing how a train of loaded wagons draws a train of empty ones up the inclined plane. Illustration for A History of Wonderful Inventions (Chapman and Hall, 1849). Digitally cleaned image.); 穢 Look and Learn.