| Show SCIENTIFIC MISCELLANY A portable electric plant for fixing rails tails 1111 im nu sleepers peri the cite Invention of A Collet of ot fart ID IN in lu nan on the rhe apparatus rune run on wh adaptable bl for ordinary roa roads lI or 1811 and Includes Include n a Is coupled II liy a Q belt bell to the dynamo 1 that generates il carrent nt m la 18 supplied by byn byl l n 1 tubular 1 r of I a In capacity purl t at of only la l 1 I gallon The engine being In pla place e a rapper copper Is III carded along the way of or ofa n Jt mile on Oil rolling folding ladler mid a ron of It 20 Q volts volta In la led to the Ihs track bark laying machine AVith two mm on Imah truck four tour 11 lay Icy 10 IVi 1117 7 urd of ot tra track l In 10 lit I minute petting Zoo JUO OO crew being even evell veil limON timeN H the rate by hand The Thel l leeier p tool gives lp fl broken rakeN tier minute and enable six nix Ix men to pant pack panta n Jt sleeper In broken t me In III non ann minute or m If In milli lu In 36 The rhA novel pun gun of ot Sir Air nOW Howard r Grubb acts note up upon n the principle of ot the thet t tamera arid project an au ont ant I mime s of a IL white while cross crom UP upon lIl the target larret t The TAli erase cross la III I upon a II translucent 1 screen ereen on tb the tw of ot the Ihu Instrument the Uie ray ral raye of at I light ht being bent bant b liy by double retraction refraction so II u e to In stir jut Just In be front of ot the tho Object abject 1 IO toward which the gun tun un point The MIe cross IH III hurly de defined ned although the ear je P I in III 1 on the oh Sect foot This Kup I la II in to a ap at Snaring n as HH as the he target no so that 1101 when hn they are ure due litO allow lines fince nn being made for tor elevation ltv the NUnI gunj NUn gun j I ID aimed An hygrometer ty I la mails 11 lf by dipping a dh Ip or ot calico In its a II allon llon ton 1011 or of 1 t pert part larl of ot chloride i ot of oxide a and d 20 M of ot gelatin In Ip O water waler The strip la le green 11 in tint tine oather fading ee l The add ot of th the atmosphere problems that A Krogh Kroll a J an anh n nh h I to h be he of ot great groat Put j Importance trice a 11 as much of this Bin I la Ir found In hi the air of if in n that of nt temperate It region 10 i lie se It exoa x es seel sa tl to rums limn from the th the deep I 90 where It ii I II stored under pre pressure ur I but out th lb the CHUM cause of this storage and the exact phil of ot aryl n 1 are unknown Tin III t 0 of ear sonic add uld In m the air at t Ke Kew hue tried In Ill a series nf nt years i from t to III Lna part In III It U I U Is UIn In winter than In hl summer rummer at 11 high pressure than when th the barometer i Is low 1 and Briel In is changing It ItI I ia a bettered 1 thu tt it lui fluctuations al nl en eer I 1 tams lain part of lit the year mil nay have a II III tie rte I bearing upon 1 knowledge may Italy not enable us UI to tn M trI I late the supply mildly but some Kome day we mil milI may mayI I be ibis abl I 1 to to 11 the autumn crops l I simply mm out our knowledge of or the pr Iro I of ot carbonic acid durin during i month or t fortnight I f i f Th The luminosity of certain m trine ml mi robes of the Jaille ha hoe hilI be been n proven pron in Ily hr M td f a Ru Rudert t ii In to depend on respiration and null oxygen On u Injecting a of f th the microbes microbe Into the blood of at a IL num number bor ber of frogs frog t the latter supplying the th OXY oxygen ll were er road made luminous 11 nt night |