Show A GREAT INVENTION aang am ing the innumerable wonders at the chicago exhibition is an ioven tin tid which by some is thought to mark a an n epoch in the history ot of steam on en ginee A correspondent of the tribunes Trib gives a detailed description of ane luecett cr A we synopsize a portion of what he sa sae a mustaf de lavallo steam turbine winch which is exhibited in iii the mechanical arts building at the fair in several alO models delS in with dynamo engines is by sume some german and french specialists pronounced the most mom important invention of the kind in many a ye year arand and is in considered ai of the remarkable ona objects at al tho the ue great fair the invention ot of this rp rotating tating steam steaba engine the first of the kind bind that carl can be retarded regarded as aa a success tuc caas may cause a revolution in the realm af f stem it occupies little very spa space e a but works as aoa rs a any other and I 1 c i bumes yo so little steam that with con densa deucalion tion it can compete with triple aties it at needs eds nt flo arin or of masonry he eri origines gines now exhibit eu stand on woollen boxes tl it consumes but little liitle ji ail and Q cotton anti is pronounced entirely harmless it obeys willingly wll linely the me regulator renu lator aud and possesses other quite important wivan f the rho weight is comparatively slight flight but buk the V ot of rotation is 18 all the ahe greater an engine ot of five boree power makes rotation tationa ro found us its axle iu in every minute l another ot of arm teu ten to fifteen horse borse 1 doser one ot to thirty horse power weighing respectively 1579 and kilo kilograms gramE one of fifty burbe power weitz weighing hing kilograms kilogram sf 15 JOO one oi 10 horse power weigh tug ing kilo grani aou and one of horse duwer 1000 this velocity of the steam turbine chii which 4 even exceeds that ot oi a c nuon ball makes it ii through through exchange to check it instead of as usually to hasten li it when the engine if in for or the performance of some work as ag for or instance to drive a dynamo enuine agine but bui this IN not dot all the difficulty of exchange was aug augmented melted thereby that mat in common cogwheel the teeth simply burst in order to fremed remedy y okd abia gre great inconvenience it was wag necessary to construct a new kind of aou coi Wb in which the cogs do not run parallel w with ith the ax axle le of the W wheel bee but 1 in a two differ din erent t rows and are given an ito clinta position so that in the procesa of exchange u 1 two iwo cogs bit as formerly but sixteen grab each other the most mort important part of the invention to Is however said to be the slender In flexible axle ax if which makes the on armous velocity possible aud and reduces chedi the dimensions men meli of the engine essentially the rho in ventur mr delaval de laval is a said tu to have given twenty years of thought and baudy to this invention and is now at the point of a baud handsome some fortune as the result hieskill if his skill and 1 fatme y mr F B allen alien of city ab ut a 3 ear ago exhibited a little stamen beeam engine 9 ina with rotating cylinder const construct luct ed much ou oo the be same principle as this one at the worlds fair it was wan pro nouli ced a marvel ot of simplicity and ingenuity and would siem si em to deserve a better fate than to be burled buried iu in oblivion |