Show MADE USE OF STEAM POWER I 1 centuries ago men were familiar with its possibilities but did not develop them A real curiosity in the united states patent office is a vi working model of 0 the tha first steam engine built by a clever inventor named hero a century ind and a half before christ was born A engineer would bould call it a team reaction turbine it conits of 0 a spherical vessel pivoted on lit an axis ind and supplied with team steam through one of oc the pivots the steam escapes sli bent pipes in appo opposite ite directions ti eions n thus causing the globe to revolve liero hero was the hie firt first team steam engineer biang lilt upon the idea th atthe ex cx e energy of of steam could be used for power lie he developed devel opeil a number ot of devices for its mechanical employment one of them was a hollow altar beneath which a fire was built under the altar was a vessel containing water the latter concerted coner ted into steam opened the temple dlois by pre sure upon 1 a 1 pair of vertical post po its on which the doors swung when the ire fire cooled the alie doors closed automatically the ancients 2000 years and niora ago wed used steam power for turning spits and various other unimportant purposes but it loes does not seem to have occurred to them that hut this source of 0 energy might be made available tor for mechanical utilization on a large scale |