Show IK cling together lob laboratory lid tory WO WO 1690 began began bern series experiment element light found thorium cohere enough bp 1150 md md lad ben began se 1887 IM combination clement clement element quantity dell delicate thorium thrown hand boy carry hand hand bond hand bond band delivery street vienna Vien found rood mantle rondo combination thorium oxide cerium oxide give give sire GAS MANTLES ASHES invention due et gas mantle Tented wag chen vienna lim intense light given mall mall mail stove stove store buff allow tic tic vie since gas gas gag gone general ratio ratio paris abe world fact vienna chemist tn bin gas gas rag mantle nothing wonderful ere hen |