The facts thus brought out by the Return (of appear to be that the factory system is increasing rapidly; that although the same number of hands are employed in proportion to the horse power as at former periods, there are fewer hands employed in proportion to the machinery; that the steam engine is enabled to drive an increased weight of machinery by economy of force and other methods, and that an increased quantity of work can be turned off by improvements in machinery, and in methods of manufacture, by increase of speed of the machinery, and by a variety of other causes.