| Show SCIENTIFIC MISCELLANY So 80 a process Jk as the rusting ru of or Iron appease appeals to have hale been misun ml The presence pr n e of moisture and oxygen has hll been heen regarded us ns the condition necessary and nd the old oW Idea that carbonic acid plays a n has U been quite generally discarded A different dif dlf different ferent ff nt view 1 has hall Just been brought be before before before fore the London Chemical society hy by b bIr Mr Ir Gerald Moody In very Vir careful experiments experiment u a piece p of polished p Iron Wit was exposed expo t to 10 distilled water ter and H II continuum current of or air lr freed from carbonic arId acid and n the Ihl metal at w t the end of MX six Ix weeks week When air Ir with the normal carbonic I acid wa was drawn over the samples ml how now I ever the th bright surface was a dulled m to IIi six hours hoare and was wan If covered with dp dep cI p pred red rust In Tf iZ 7 hours The bubble fountain f Is III an English J scientific novelty said laid to 10 be capable arabe of blowing snap bubble bubbles per minute Coal gas may b he bI used uNd and Ind Inda anda a very r striking effect ett t can an b lit be I at t night by tiring the UI KM gas at al the tom foun fountain lain tain when the flame ame will wilt run up the stream of bubbles Intermittent groups group of bubbles bubble nr ar are suggested st d for lor gun nn ar ps f they ate are cheaper then l hall hail of 0 Klan g or clay cia clay and their use UM UMI Is la I mort mono humane than the murder nf of live 11 pigeons PI I C t known to the as AI In Is I one of ur the theM 1 t M 1 that 1 le tx etel tl ti I arc l the piece p ce of ot C Chilean U an saltpeter ter tern any n I Peruvian guano suano It hi is It a eom i l pound of calcium carbide with atmos atmospheric I nitrogen and le I made by 11 Ilque In air Ir distilling oft off the oxygen let Introducing the Itle nitrogen Into Hm and andrake andO rake coke O at t high temperature In hr two yeas years Nr French th Ih the Wet Ik t Into a tree I carrying 6 1 o n M lower flowers throughout the tilt year yeara a |