| Show SCIENTIFIC S CI MISCELLANY SC Tantalum one lne of the rare met 15 now being brought Into use has haR ninny mati resemblances to tu Iron and one of theno III Is the Iho hardness given by b n II small addi addition tion Uon of nf carbon Other substances also Riel like aluminum tin anti and titanium have havea a n simIlar effect According to a patent of ot v von on 01 hotton of ot the added substances may ml vary a r In pro proportion proportion portion up to tc J I per pet cent or oC more but with carbon a 1 fraction of ot 1 per fIr percent percent cent Imparts hardness and resist resistance ance anle and anI with Increase the Iho metal be becomes I conies comes brittle With a 1 trace of carbon the tantalum has ha the hardness and ten t II ship 1111 strength best adapted for fine line wile 11 e 1 while a R little more carbon Imparts the thi th greater hardness though with sonic some om needed for tor tools for work workIng workIng Ing wood metal and stone A h patent by b Siemens and covers Ioe a 1 process of or hardening by b varying small lima II additions addition of oxygen and th the Iho products product range ranKe from Irom a workable metal of oC much Increased hardness and an brittle brittleness ness to a metal too ilar to 10 rork hut but having very pr slight b The topographic Included with the apparatus of D U Antarctic expedition Is III a ocl 0 leI Instrument IlI tru ment the Invention of Alp Alpi onse with whim which bearings can call Ve ze e accurately at a It glance A J I copper box a R mirror perforated with a 1 peephole I is mounted a tI few IncItes Inch above a 11 compass On looking through the tho peephole th mirror shows show the the time direction of oC the object In sight Ight being Indicated b by the Index The human mind tint hai limitations limitation I An n 0 astronomer argues that thai space beyond our universe must contain other ot I because ai al a Absolute void old In is Inconceivable not Holt who can cono lv of an infinite ace y ce filled with an in infinity finity of VOIN A arble like hike material declared to be bea b bI I a 1 great ov o ever r other artificial 11 1 el 11 It Is now made from rum th the tha waste ute tec rf lit blast furnaces with H a little lime Tha Tb 1 slag I Is crushed awl aud pow d de part hiatt nf of U I d and the mats loses made Into paste with 11 Ith waIl al Is I Into Inlo limb moulds ot of metal tal The TIle blocks block so 0 formed on dry mi hIlt In ha hit t e I the th y of or chalk They Th alt aio placed In Iron cylinders cUnd from which tIme air I III und end then I aith lIh sold acid and after a few feI hay In iii gas raa the tile hydrate of or lima become histoRies ie binding tile IMM ma 10 Into Inlo a rock or of great l Tb T halh none deem takes la kea a 11 high Ill nb It liaa h his been made n de to n ft an 0 II cx ox ImitatIon of the th b best sl U It tone and asti with suitable 1 m maUel tiers It Il lives Iv a of ot tine mar itar MM tiles To Io Hat save a n a R leg te liv In leaking tile the vain valna Ina d duty dUI IB S 1 arl rl c lit Ii th the remarkable f test ft t a It of ot surgery lOurel at COB Cea OA has h attempted with edib at al t least temporary oen of the I lb h limb as all a a of of the thi arterie In oW old age an ag or disease dl I ii In iii th tie the HIM and smi rn n hits baa h W teeD B tha lb only rot A t meana of or o avo lug lila tiUs r md 1 haa hi h ft t rt by b th the tho tact fact that th Iha tain elo are murk much I ics than tha the 1 Greatly hatly alarmed by kg th lb bum bui In Iii I in bis isis left l I leg g a atho patient who tho 0 rIght nhI fact 1 hail had bees beem ten amputated on Oil 0 of appealed 1 to th Ih the of lot help and aed offered to take tak lalIh the Ih imly chance e At of keeping his hI hIby Ug by b becoming the ef of a hitherto untried experiment The Th arleI ut the leg lel were U joined to Iu th Ih the vein 1 of 0 the foot fool prompt h b folio follo th UtI hi th tha blood Jr through h the th the th foot toot retained 1 It warmth and an In Iii the week 1 1 III aisles lm all pl of oC h If disappeared red Thai ra h e a marked f ff f Viet ct III In ron n has ha hIt been proven h b I 20 O m Pars or of hi lii It ort Dart 1101 and 1 North Uon 1 n England Tb Th ft death I I from Irom this I dl Is I much It II In Iti tie sheltered 1 than ihan In ta I 5 lCd e localities I rii Th rt i ga M 1 Unman lu ll ii llad hn n at 11 s id I tUI i hIges ad aal i U I in l N lii 0 it 1111 I I h hI hIa 01 IJ I a d dl ci in II 1 ni d Ci if r te n II tuft met mI U ut r lite MI L e ell ill ll luge luea b Is I aa 11 In ii I Hit lb Ill I material oil 01 U Is dIstilled at a 1 s a temper I inre rr ire liun 1 lio thu h bet hl IK I hi Ii h gas gaa II i lI di il I ion i 1 Th l hi Il ti I sir Air I fi 0 an tint I he h i l gee yas I Ii Iii I fr ei i in I ri i IQ rs he hr h mini miniA A n 0 I ei P n f i iI i 1 Ir IrI Ib I e in t lm a V a e t 11 r a I in HI ln jI are rp forced Into the th e and Ant die dl 01 in the h 1111 On nn release p of rf pr prep r sure 1111 1 a 1 mix mJ ft I 1 ca ea sa thai Hint burns hurn with wih great brilliant Hc The Flue flinders I nd el mars r In front from H a I single pound l ma na In lerla for n a bOlln or ex cx lo a 1 sufficient for large 1 country estates tl for lor week meeka a 0 con container on tamer of medium size sli Ia earning carrying gs gas enough tu tm tf light a sills l I leo o n months month The Flip The full fn rUnder M easily 1 changed when em are placed outside the building the hI gas gaa Ka 1 ln lo ho the Ihl piping of the th house through a R lank regulating rf 11 a In I the I th pressure In fn vii vil villages J lages leges a ii small building Is for forthe forthe I the Ih cylinders pr and small lOi II I mains distribute ute Ills utI the tho gas M The Idea of ot the h le Ie less gun un wa was a given gilen b h th tb h bursting of ofa a I i flywheel In the Ih gun tun lime Hie 11 bullets of lead Iad or steel ure art rc poured Into a Q oer Over n a 1 large revolving wheel h and the Ih centrifugal force fo e hurls burl the Ih bal from the rim of or the wheel through the bar lar barrel rel reI Ill of o the th gun with tremendous velo 11 cIt The gun Iun Is I made mad of or bras tira re resembling reo a n In appear appearance II sore ance It Is I believed that thaI a wheel he driven frh en b a 5 I SO lO O horsepower electric mo nin motor 10 tor mr to can Iah discharge something like Iko BO 60 0 00 shots hiot per minute and great ac accurate curate urt of or fire IA i A claimed The Fbi circular cut el file fp is I found fould to act like ikI a II hand hald pinning tool hoJ Instead of or orAn an ordinary file fe Ild and nd Is It l claimed to cut two or tip I three thre limes tm as A faSt flU ag 05 11 a 5 1 com COOl common common mon moo tile nil and to In wear tear longer Th The new tile file ril has hu be ben been n tested In French shops shop about two 10 years |
