The machine had stood there a long time. It was several hundred feet long and could run on a thimbleful of earth or water. Complete in itself, the machine drew material from the surrounding landscape, transmuting matter to its special purposes. It needed sugar, salt, water and many other things but never failed to have them. It was still working. And at the delivery end, where the packaging devices had been broken down, it turned out a steady turgid stream on the ground of pink-striped, twisting