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machine using steam power to perform mechanical work through the agency of heat -
a mechanical seeder that sowed efficiently at the correct depth and spacing and then covered the seed so that it could grow -
provides the heat needed to melt the ore, and second, when it is burnt, it has the effect of 'stealing' the oxygen from the iron ore, leaving only the pure iron behind -
The first truly successful steam engine to drive a pump to remove water from mines -
all tapered cylinders that were externally cooled by water flowing down the outside surface of the chamber -
spinning frame that is powered by a water-wheel -
allowed one person to work more than 1,000 spindles at the same time -
converts pig iron into wrought iron by subjecting it to heat and stirring it in a furnace, without using charcoal -
a design of institutional building with an inbuilt system of control -
Locomotive that provides the force to move itself and other vehicles by means of the expansion of steam -
individual people do not own land, factories, or machinery. Instead, the government or the whole community owns these things -
photographic film for both still and motion picture cameras.