4 THE ARGONAUTS OF THE AIR One saw Monson’s flying-machine from the windows of the trains passing either along the South-Western main line or along the line between Wimbledon and Worcester Park,—to be more exact, one saw the huge scaffoldings which limited the flight of the apparatus. They rose over the tree-tops, a massive alley of interlacing iron and timber, and an enormous web of ropes and tackle, extending the best part of two miles. From the Leatherhead branch this alley was foreshortened and in part hidden by a hill with villas; but from the main line one had it