Show I V Fishes Fishe Possible as Source of Cold Cold Light I ONG strides are being taken taleen by bythe bythe bythe LONG L the biological department of ot Princeton University to obtain light without heat says the Electrical Ex Ex- If It the discovery fully realizes its expectations It will wUl doubtless doubtless doubtless doubt doubt- less revolutionize modern lighting Profs Edwin dwin Conklin Ulric Dahlgren Dahlgren Dahl Dahl- gren and Edmund N. N Harvey are working on luminous l animals in an attempt to fathom the thc cause of their luminosity which Is 90 per cent light Modern electric light produces only from fran 2 to 1 t t tr nr r M tim HIP rr It f being wasted In heat Prof Proto Harvey obtained a considerable consider able quantity of the the luminous material ma ma- from small fish found in Japan I He lIe has partly analyzed the substance finding that like the of ot the tho living bodies it can be kept for years by drying it and sealing It In vacuum tubes When released moistened and exposed to oxygen it will light Into a clear bluish phosphorescent flame The substance is very powerful as ai asit asit it is still stUl visible when ono one part of at o It fo 45 lh I 1 0 AM h p f |