Show UTAH DINOSAUR SHOWN IN EAST Fossil Skull at Pittsburg Fire Detector Is d Pa Jan 9 9 ByTh The Associated Pr Press The ss Th pho pho- photoelectric electric to-electric cell a delicate device to detect fir In Inaccessible lighthouse with a rAnge ol of 17 miles and A 1 ground for tor uso In mine rain disasters to locate entombed men formed the center ot o attraction at atthe the exposition ot of cw new discoveries which opened at CarnegIe museum Described as the most sensitive device known to man the photo photo- photoelectric photoelectric electric cell was demonstrated ata at a a silent sentinel to guard euard against In ship holds and andIn andla In fact any place where automatic alarm Is l needed Tho cell upon which a beam bam of ot light plays Is so thin ot of that even a veil passing between It and the light causes an alarm to sound It is the tM Invention ot of V K kin a Westinghouse research en en UNDERGROUND PHONE The Tha United States State bureau of mInes presented the th It t Ie the purpose of the bureau to use us the th Instrument hereafter In an effort to learn tho fate of miners entombed by explosIons or fire Tho is extreme extreme- extremely ly ly sensitive The Th droppIng ot of I pin 1 ln in Its Immediate vicinity can be detected as can any under under- ground have It with great creat success In Jo lo leaks In gas mains The Tb lighthouse lenses made mad In for the United States government are ar capable of beams 17 miles out to I a They are said to be an Im Improvement provement ot o 50 per cent over the theold theold old foreign made lenses la 11 addition to the th new discoveries discoveries eries exposition the th museum officials place on exhibition for the first time Ume many recent tons IncludIng autographs of Queen Isabella ot of Spain WilHam and William Penn UTAH FOSSIL In th the display ot or Is a catastrophe snake found In PennsylvanIa and so named be be CRuse on Us Its head appears the figure 13 A creat grat dino dinosaur saul skull embedded In the th rock rockla In which It was found in Utah another exhibit on |