MARVELS OF LIQUIED AIR.

Press, Volume LIX, Issue 17809, 7 July 1923, Page 4

MARVELS OF LIQUIED AIR.

■.,1 W , 4 i -1, JWJW K'i * fettle JBed wiSTS bSteJlJ^ «if itk | steam, and oni&fr- «S tffe^fet|§^W water is hot, for F., but liquid air has a t«npe«&tta of aboutr-s74deg. #.«-«** % o&e*3» be*ow ' hnger most be. puSu, «f , b>te jnlt ensue. Jn preparing dm«, «r, at bjA tJirou^h ftT+W anUl ll eoo,eav Tlu» cooled air tt passed iacax over moi* manning «*,. toe fetter M tl*reby cooled, am* then puntf asf before. And «o m tffl tfa* air »fe so cold thai it omdmaw i»drool? just as steam eoadeoMa to vator coolftd. Mao, wonderful esperilwnta can. be performed with liquid OT, owtnfe to its extreme coldness (no» v&rarti* day Science"). in »t becomes a wlid st**7i* 75$ and «j doo» mercotj. tirsw* in the same way, the ai* fand» o»tracts, and[almost a Taevum is wad*, bo that when trying to tatnoei* aga.nst a wall H ft* «K **, tnc lamp wotdd. H one <H*d of * cigarette be dipped is the.Wd and then a lighted match appJledTj* tarns runonsly, like a gqaib; a «&» nm - r e? t^r tter J ' fi « fe - AKwojTaeKwi* a great flare. LkpriJ e» qwckly-atout a jpK a special TOssel* widen am jtisV nam tbennos flasks; an ordinary ,; cerfe «f glass stopper is no good,, eo otritonwof ;■■ « used instead *