id author title date pages extension mime words sentences flesch summary cache txt 36776 Doolittle, William Henry Inventions in the Century .txt text/plain 141628 6605 67 improvements in steam-engines of the nineteenth century--great as they inventors until the next century, and until after the great inventions At the age of 22 he invented a machine for making card teeth, power, invented a steam engine having a piston and a safety valve, and arts, such inventions, so far as great works are concerned, have inventors now had two forms of electrical machines to produce light: the Brown of England was the first in this century to invent and use a gas metal-working tools and machines forming the subject of this chapter are The century's improvements and inventions in machines for treating and In the great class of Industrial Mechanics, no machines of the century ironing days, the invention of these machines and appliances must be These machines were developed and in use just as the new century Machines have been invented which consist of hard iron or steel rollers ./cache/36776.txt ./txt/36776.txt