The Wonder Book of Engineering Wonders [antikvár]

THE WORK OF THE ENGINEER IF we take the word " engineering " in the broad sense, we shall íind that the engineer is to-day at the back of almost every form of humán activity. Even the pencil we use in writing is the product of delicately adjusted engines which shape the wood and assure an even thickness of the lead ; the knives and forks with which we eat are products of a score of engineering marvels, írom the furnace which turns out the raw steel to the wonderful machine that polishes the nearly finished product. So, in every direction, the engineer is at the back of humán activity, whether in constructing a microscope for the scientist or a spade for the navvy. The first tools in the history of the humán race, probably, were 0