Show sd FIC M MISCELLANY A much u used material known a as Ienn helal metal cement ement I Is a copper amalgam prepared fprd In the followIng manner Copper Is precipitated I as a 0 avery very lne powder from a solution cf C blu blue vitriol by men means of strips of In Inand and after being hed and then o ed with a solution of nitrate hot wlter waler I Is pr poured over Or th this copper II iii a morta mortar an and li the the pI it portion of 7 parts to 3 1 of t aid aided f ed Te Tb I is knef kneaded lot a v y y plastic mi mass The resulting becomes 1 so under II r amala that it II itcan tan can b be ul fur for modeling the Ih dI eale cate objects from plaster casts CUlM it II hard hardens enl ens Into a malleable ma mass that an bl be polished like gold old and nd I a nt Ihl readIly rall tarnished by hydrogen n and nd I It I Is a strong tr cement ment h or alter fur for the bright surfaces f I It II unites at i a tem lt r 8 80 to 10 t 0 degrees Cent Ant have been n md mad on thin Ih the Giam ma may be reinforced d b by p Q on molln molten The air Ir of hu has been shown hon b by Mr r R ft D l C Wad wa to be trier than Iban or of b many de desert f r Tie The I rn JA n relative humidity of f fi i m tested 4 was 1 3 I tr r nt fur for three we ks In and ond the relative h th tb open ui Ii r fr th Ih am 1 Pl Iii 1 1 15 71 I pr cent 1 1 I h I st I T i a ii man te 1 I ii Ie i I tili I j I 4 1 per I tax lr Arua II t Lr Ifta anta pr I Fe N New beirut U cot cotA A Ineal II I t 3 pr per crt cent Wa tees un fur or orlIve lIve summer month II lii lieth Valley alle Cal Cal The Berlin of Natural U III tory 1 rn MII I O I It 1 Ia tat that u a f Ihan HO 4 Q livIng species has ha ii 11 w hiitt II iIi arb ol of which pr Itt Ih aMO bIrds bird f he 1 tOO f fP rip Ile tile 10 1300 amphibIans 10 aleh arach zo mollusk worms 10 10 b E Kh Klein ln that to common t rl germs a as II the of cholera end Ind dl diphtheria do not no survive unI u than Ihan 3 or I ater bul I In th tIlt ground grund Ther There I Is pathos In the lital nl front frum earth o of any f 4 H its prominent le life forms Natural lit ot of be nineteenth century have had to watch the pa passing nimai In the Oreil Auk or which still II In a numb number of hocks at Ih the beginning of f the but bUI I no now known knon only front l so prized il that a 1 skeleton hi has bee been sold for U 1100 U a skin for WO alt and an e egg for 2 ruin guineas Te The bir bird was poorly fitted Ute for the modern lt Ill struggle While alv wingless and collectIng In mul multitude If ut I it tempted by the foo food of both and nd eggs 1 Ind and the continuance of th the rece depended upon a sIngle 1 egg a year laid by each female Extinction however Wi was gradual Boatloads pf the eggs Were more than Ihan tour four a ago o In Ice Iceland Iceland land an and the neIghboring islands ad adIbe and the Ibe ruthl ruthless destruction of I and birds bird WU was continued irregularly by si sail ore nil until In 18 1530 tb the sinking of a vol 1 island buried In th the sea e the last lut important breeding of tb the auk and Ih the few tew survivors were re lett on thu tu small mal F Elderly island liens on June a 8 IH 1144 three sailors captured two IWo I Imn mn menu the list lut of their kind kind which w were strangled and nd sold for m 46 Tn some interesting by English sleeping plants planta or whIch had tan taken their nocturnal position wr were plue placed In a dar dark rm rmOn room On awakening net next morning they lok took In the darkness their usual post ol I lions Uon b by dU day even when Iha that position I had Illumination ben been mae made by oneade Te great t photographic chart chrt ot of the heavens now nearly completed after tn ten yea years wi will show how IGO stars ta down don to A globular electric re II a pro produced ro rodIce dIce by S 8 LIl Ledue a electrician hv by arranging two nu polIshed tta metal Il tic pint point at t anI angles to a photo photographIc graphIc plate 01 or glossy mile mid naper connectIng gOlY them with an electrostatic let machIne te effect I Imad a amade atc made mad m more sure IUN b by placing a sheet bet ot of metal under the plate or under a plo piece ot of gla Iu holding te the p pa paper Pr per On separating the points two to tour four inches an appears at the positive ad and a globule at t the negative the globule separatIng Itel from tb the pint poInt on reaching a certain alas IM and slowly by a more mor or less leu ix Ir regular nith to tb the Olve The Um time taken Ut in the passage I is one one to tour four minute A As the positive I is rah rahe reach reached e ed the lIght and the carp charges disappear I as It if a conductor had connected the machines terminals but the na ita ar are r repeated te when the positive lv I Is moved ond to a tr nab clace 18 effects let ar are claimed for tor a lately lally by Merits r and ut of Parts The re consists ap approximately proximately ot of lal parts ot of buckwheat mel meal U of em corn 1 ot of charcoal I It ot of r red pepper and ld 15 of and aad the treatment is simply tb the lun lag Iq of the Ut l Into the pow de and I it t to cl cool until pw It acquires tb the wel well known blue color Te The action reach c a aul about a sixth a of a an Inc Inch which m maybe be increased by renewed treatment The e steel I is fn ren rendered der dered 1 so soft I as to b be easily worked while It ha has greater ter strength tr h tb than be before for fore on hardening I it I Ii elven a finer graIn and nd overheated even is Ie ret regen erat crated eratA I A method of ot of pu putrId met meat and ad infected Ir c cams I ii to olace thern I In vt vats of sul lul sulphuric acid for bour hours Th Tb are dissolved and th the solution I Ia drw ot off fm from th the tat rat and nd sent ent to 10 a fc fac factory tory Al All germs lerm ae are detroye destroyed while valuable teal Ie Ia 0 ob tamed Corks Cora that have hare been steeped I in vUne are paid 11 to N an excellent for II glass G without theIr They 1 Ire are not II affected by aed acids or 11 tum fumes ad and th they do not become bb by a blow or by long disuse a An A new raue rescue mU for rol coal miners mine made In Vienna as aa oxygen container a mask and a breathing ba hag is tb fo ot of a colar collar qUck lime for absorbing c lc acid lad and water Vapor Te The w of thI the ap appliance can go 0 at t will wll rr Into mIn mines Ile fIlled wt with gaass The electrolytic of at Tm Tom ml mast whIch a arc Intene Intended to take tak tie the place ot of tho those ot of dynamite and nd powder ad and ar are harmless when no not let In use ule con It of heavy beavy Il glass clae cylinders containing chemical tha that generate I gases on the passage of an n electric current 11 wires passing through the ends nd are connected to a suitable bUel battery Oe One kind of cartridge contains a coneen solution of erat of II slum m which on being decomposed b by electrolysIs cl gives ot off hydrogen ad and car carbonie bonie avid lh the ure un Until tl til the ePoe explodes lob tubes are re fled fIlled wih with chloride or of ammonium |