| Show SCIENTIFIC MISCELLANY Calcium c or 01 con comm contains lains 20 per pel cent of or fixed nitrogen nitro en and amid andIs andIs Is prepared by the time action of or nitrogen on a mixture of lime iliac and amid carbon Ex Experiments ExperIments Experiments have havo shown its fertilizing value to be about of or that of ot Chile saltpeter Among Amon the time newer nitrous products is nitride of aluminum um ummi m which M Si of or Alsace makes maces by first converting and carbon into carbide of ot aluminum In tho time electric furnace then adding a 0 fresh quantity of and treating time the mixture with nitro nitrogen gen gon en gas gons Time Tho resulting mass amass with 20 o oto to 21 24 per cent of nitrogen can bo be used at once as fertilizer while crystallized c nitride of oC aluminum has lies been obtained with as much as HS 31 Ii per cent of nitro nitrogen nitrogen gen en This Timis material has Imas certain ad advantages advantages advantages vantages 4 but ut tho the claim Is made mado that calcium nitrate or tel is In some respects the most promising of tho tIme now how numerous substances fixing xin tho the airs nitrogen In fertilizer Time Tho nitrogen Is oxidized in the electric are arc arcand and ammO It t ha ima hM been found to be possible to effect the tho direct absorption by b milk of oJ lime limo of or tho time resulting gases ases thus titus ob obtaining obtaining tamIng calcium nitrate or calcium ni uI nitrite n trite equal to Chile saltpeter without further treatment This process Uses no imo coal being dependent del on water waterpower waterpower power and unit the nitrogen cn Is taken di dl direct direct from rom the air a h i The Time new no universal clock of an Eng English English lish maker makor Is designed to show sho time the time in Irm any part of or the time world In an aper apOL aperture ture turc in the tho dial Is a rI revolving disc turning nee mice each day and hav hay having havIng haying ing the time 24 hours marked on the outer edge with subdivisions Into Intervals of or five minutes Greenwich is us painted at time the top of the tho dial with the tho names of other places so spaced that the cor correct differences In time will be shown On turning tire the disk ono one can read time the time tinie at any place at a given time in London or New York or 01 elsewhere Scientific forestry in Germany Gennan has imas raised the tl average yield of or wood per nero from 20 O cubic feet Iii n 1830 to 65 cu cubic bic bc feet In 1904 trebling the time proportion of sawn timber secured scoured from from the aver average average age ago cut The Tho money returns per acre were increased sevenfold In lii 51 years Time The German Empire now has nearly near acres of or forest about 32 33 per percent peri percent cent cont belonging to the time state and the tho for forests forests ests were never before in so good con condition condition It Is iii sometimes noticed with surprise that tho time two hands or the time two feet are arci unequal g larger larser than timan the tho other or differently developed and this asymmetry in the tho right mIght and a td left eft halves of the body bod has been boon time the curious sub subject subject subject of or research of or Prof E Gaupp of or From extensive inquiry he concludes concluded that the Inequality Is normal and a sign of o progress not a defect as ns BehM regarded It Il a 8 century ago The TIme asymmetry as of or the thc head spine chest and limbs Is not at birth but appears with to sur surroundings surroundings and amid each individual seems scorns to have havo inborn tendencies to right handed and effort The asymmetry develops with tho the varying varIn use and disuse e of tho time sides A marked was recorded In the face by b ancient sculptors but the In Inequality inequality equality represents tho the greatest ad advance advance advance vance in evolution and tho tile brain of ot Europeans Eur shows more variation In the tho two sides than that of negroes still stillmore stIllmore stillmore I more than that of the time anthropoids |
