Show MADE USE OF STEAM POWER centuries ago men were familiar with its possibilities but did not develop them A real curios ltv in the united states potent office Is a w orling model of the first steam engine built bv a clever inventor named hero a centuri and a hilf b afore christ was bom A modern engineer would call it a steam reaction turbine it consists ot i vessel pivoted on an axis and supplied with teim through one of the pivots the steam through bent pipes in opposite directions alius the globe to revolve hero was the first steam engineer having hit upon the idea that the expansive eneidi of steam could be used for power lie developed n number of devices for its employment one of them was a hollow altar be ninth which a fire was built under the altar was a vessel containing water the latter converted into opened alic temple doors by pressure upon a pair of vertical posts on which the doore swung aheu the lie cooled the doors closed the ancients 2000 ears and more go used steam power for turning spits and various other purposes but it does not seem to ibave occurred to bliem that this source of energy might be made available for mechanical utilization on a large scale |