Show Fl C MISCELLANY steel a new material of A intended to take hike time the place of 0 stone Ilono anti ceramic lit IK a tm l mix unIx mixture tore ture of or sandy feldspar and hydraulic lime Tim hl mixture may ba no molded by pressing like III brick and und tiles and amid ld then than melted meled or It I may be first fused and arid then poured into 1110 molds It I may bo he rol col colored aced ored by b i tho tue addition of at clay 01 cm me metallic 11 ll oxides It I 1 IB adapted for building purposes statuary and may bo Ia worked with tools like anil en enamelled fn and decorated like glass and Ind IndI It I has the tue special advantages of at a light lightness ness lies resistance to oxidation and nd acids anti of If being bing Il n bad conductor of at heat hoal and ami electricity A purely chemical purification of or water linn hal given results to rf d 4 of at Marseilles Iodine which Is Isn II Isit n it 1 Is added add In tha tho th proportion of I J port part to and In Inmost 11 most cases destroys nil all ni bacilli within n a quarter of 01 un au hour Tile Tha free tree Iodine Is then thon neutralized by hy sodium The Tho water voter wlter is I finally filtered through charcoal and II is H claimed to less lOBS out limpid colorless and tasted taste loins are a botanical puzzle Dr Smith of Sydney has baa now shown that some of them ute ate due to bacteria and ho he huts hits Isolated some of thene that thai of or anti and made them pro duce duc their gums gumM in the laboratory Ho Ito 10 suggests that all al other Burnt guma mire uro Iro hoc bac tenIal products and that Ihal the worlds supply of It gum iruni might be lie Increased by Judicious selection of at susceptible u trees treesA tr B BA A new nets French work worle by IW b C C V foul bert berf enumerates 60 CO specIes Se leS of ot Insects Ins InjUrious to tl books and gives nil all ul known methods of or preventing their ravages Physicists two kinds kintis of ot otI I rays r those thOo explained as liS the emission of or particles like the cath Del out rays rn s and thoss thoM explained as n vl si 1 Hays of the latter kind have hale been arranged by Prof l Broun In ii ix a table which shows time the varying character t er or corresponding to 10 different r nt waveS wave wavelengths lengths and rates ralos of vibration cal number tram from 60 50 per pee PCP or ond with a wavelength of or CO kit kl om this being the tho usual ting thug to 10 million per er see DOC and and n ri or nt 0 oo 00 0 centimeter or er ns as a observed Jb In a n tiny tny bit of 01 platinum alan num wire Tile The longest st known heat rays my II show 12 billion vibrations per por second with a n wavelength of millimeter lied Hed light results result front from 40 billion bilon vi vt 1 per Second nt at a II of white light from Iron toni Soil SOO 80 billion vIbrations anti and a I wavelength of of ct millimeter The fhe chemically ael ultraviolet rays r s anti and finally time the rays r t have havo still ll shorter wave trove wavelength length and 1111 higher h rate nito of or vibration A gap gnp exists between the tho electrical and the 1 heat hont vibrations and It Is supposed that 1018 crays with wih a 0 wave stave wavelength length of or about aboul 02 millimeter belong In Iii this tillS illiCit A millimeter the titan thou thousandth of ot a n meter and millionth of a Kilometer Is II about of an en In Inch Inoh rho Tho of ot Mr Ir John Julia Don of Aberdeen Is II a large glass cell 11 In ill which a n goldleaf Is lii II sus suspended and amid through which nil air cnn till bo be drawn at nt time the rate of ot about a n fifth Ith of 01 a II cubic foot loot por Pel hour It I gives KIel a n means of accurately measuring th f of the air that Is the number of ot electrons present nt any ni time H It Hhas I lifts has that Iha t leakage from Irom tha the charged electroscope may moy bo lie hI as rapid on OIl 01 n Ii I tiny dry dr day dRY as n op on a n damp ono one that It II Is 18 marked on days when people f feel el depressed and that a 1 R seabreeze eze changes the tha negative charge to 10 a n positive pod o l lIV tive tivo IV one seems so BO Im lili Important to 10 health that ve we may expect a II new nOI era cra In climate study Death from Irom old olt ol age says Sir herman Web r Is Iii h due to atrophy connected with changes In the lh blood vessels ol ls VIg VII MII circulation promoted by hy keeping the organs orans In action net on Is i the best beat pre preventive prett preventive I tt U ve |