“The processes that may be employed, to give to portions of inert matter, precise movements resembling those of organized beings, are innumerable, as they consist of an indefinite number and variety of cords pulleys, toothed-wheels, nails, screws, levers, inclined-planes, as well as agencies of air, water, fire, light, &c., combined in endless modes to produce a desired effect Ingenuity has been long exercised on such combinations, chiefly for public amusement or mystification, without any object of utility.”