| Show I WO WONDERS Rs OF THE SCIENTIFIC WORLD Quite violent sparks and flashes of ot light ugh h have e been noticed by II Doermer oil on hammering cal el calcium chum on an all anvil and the thc presence of rust on ou the Iron seemed to 10 Increase the One Oil suggestion is to I that Ihal absorbed hydrogen might pro produce produce duce the tho phenomenon Dr has made Rill extensive observations which Indicate that the thc explosion Is U due dut dutto to a I vaporization of tho the metal near the Jho edge where whre the N In is I great greal greate e rat es t and a combination of or the th vapor AllOr with atmospheric oxygen In III pure oxygen tho the flashes flash were wert much more brilliant Similar rr rl results were rl ob obtained i tallied with other sodium Mid I u in and potassium lurn yielding colored flames lithium emitting brilliant fleshes flashes fia with witha H It report and sparks and powdered pondered aluminum and ma giving sparks without explosion The hydraulic power now used In III Switzerland for far running electric plants Is III estimated at III moro than titan horsepower of which 40 o per i cent nt H la employed for electric lighting 13 per percent percent cent nt for traction 23 per cent fur fir ripe elee work and 24 4 per pcr cent for mo uto torn tors hen with lIh this work d doter ne by bywater h bywater water the Imports of ot foreign C cal cual al amount to ti 2 0 00 annually Continued Increase In III plants plant Is III thus thu and a II projected one in ill inthe the U IncH Oberland I while hlll others other are all expected to 10 follow fo to supply the horse horsepower po power er needed d by II the railroads A hydroelectric plant on the Rhine near Is III to 10 have hae a hood of or water with a It canal U a mile long lOll to lead head the water from the dam darn to the turbine Acoustic or dr r figures produced In sand ennd by the vibration of ot a plate or membrane are usually highly sym sm symmetrical metrical but vary ti art greatly SC with lIh I i I t the shape of or othe the plate the way Kay a It Is sup gup supported ported and set et vibrating and with oth other other er conditions In showing the Die U tic fI of this curious kind of picture milking making king at n II late lato of or the th London loyal Hoyal society Joseph Goold strewed n a little magnesia la on I a i steel plate several feet ft long by b three wide and 38 3 S inch thick supported on four rubber points near veer tho the ench The symmetry of the figures produced wan wad modified or orIle destroyed Ile at will 11 by b changing the tho plat IlIac of or mm small 11 clamps On exciting one of ot two sets of the thO other became active and ex extraordinary extraordinary x fluctuations fluctuation resulted rr TIle Tho nodal nocal line extending along the plate plat opened out cut Into Inlo two line hues surging to and fro tro The Tha magnesia In each arh line performed extraordinary gyr jr gyrations the motions of ot smoke clouds cloud the two inn nodal lines line across the tho ends end separated Into hate peculiar spirals and there were other strange effects A solution of ot the thc problem of coating coaling leather with rubber is claimed by Ly Joseph J St of ct Philadelphia In III his newly patented process Noce the tho leather passes under a wire brush that raises ti II nap on the surface and Is la lathen then fed between two rolls one at A temperature of degrees degree F and the Ilse theother theother other nt at degrees degree A receptacle tilled till with thin rubber being pl l id yd 11 above the bite of these roll rolls with a II noile no nn sie to convey come the material to the face fac of at the leather and distribute II t evenly enl oer over the surface A t third roll at I U f ca no ct n nna in III n n j lain nun from rein n a plastic mass lias beneath pressing It upon the already thinly coated heater The Th first coating acts act as a cement to 10 the til film in firmly ad Rd adheres heres hort and the layer thus formed Is h afterward vulcanized The vulcanized rubber layer Is III practically able being held by b tho the fibers of ot the nap nai Imbedded in n It The Tho smallest triple expansion engine In the world worM Is III claimed to be a R per fret working model wade made by b Robert Hunge of New c ow York It measures 3 31 It i Incites Inches across the and 3 4 Inches the bottom of nf the bed I X N plato plate to the top of tho the cylinder cot cov covers co coer cotera ers era er Een Even link reversing motion Is not Dot omitted entitled With H n strain steam pressure pre of pounds tho mho makes 1900 revolutions revolution per minute and turns a 1 screw 2 11 4 inches In diameter by b 7 I Inches pitch Thin Tho three cylinders are 8 81 IG and JOG 1016 Inch In diameter riot eter t r The Tho In III H t Inch In III diameter and the tho exhaust is Inch Good photographs of the Interior of the e eye e have ha been much desired by h oculists oculist ls In n hi his hili efforts to supply thin tho need Dr Ut alther Thorner of or Berlin W first fleet photographed cats cat t r t r tare are much lighter than huu al but good fre pictures of th tarts ar art now obtained by r to Ir 1 ir If r proved which Melt lq i r Mj tad tt from his TM rh i 1 n t 1 the lie aye oyo Is III carefully tull foru fern i ij ft rP photographic plate plato with a I r t Tho The camera Is opened by hy a d ater I i j ver ter and tho alto eye eyo IF ha light i s I 1 moment by n II flashlight a by br a spark from t 1 a l f st It g K t i h tery Tho The pictures show m i i differences between heals h i t sound eyes cye making It t pi p i tho the progress of or disease I |
