Wood Vs. Steel

Which i tlif Stronser in Rroportton to Weitflit- A aud Iiiteresting Kxperi inent. Therelative weights ol woodand steel in propofHon to their Btrenjrth is a matter wliicti probably nol one ..ut r,f one lmndred readers has eyier liad occasion t investígate. Il the conundrtim were prOponnaed : ¦ Whieh 9 the sttoigr- Wöoa oi Bteeï?" ninetyiiiiie out nf a hmidred OUld t) Hkely tn unswer tiiat stei-l pommam gnabet strength i" projiurtiun to weilit Uhaadoei ffood. Kxperimeiits liave reeently been! m.iile in Ohio whieli show tliat wood woifiliiiiH only lialf as much as stoel wil], when luit uauer pressure, stand a greater Btndn than iteél. The iliustration on Uiis para shows a pieoeof wood and apieceof steel, (the hittrr reighlng just twioe a much as the tonner), ander eqnal presgure, and bi cviTv [nstance the steel yields and is bent outc'it' line. Any one can make this inient, ïlio dovioe is oxtremolv simple, and vet it illustrates au important point with whieh every inteUigCOt farmer slumld familiarize himself. especial ly as there seenis tó be a disj)osition on the ]art ut' sume mandfaoturen i change from wood to steel and run. We are DdeDted to MetBrs. Aultman, Miller a Co., ..f AkK.n. Obio, lor the accompanyiog Uliutration. Ii was tbe pleature of a representative of this paper, while in Aknm a few ilays unce, to witnoss tins ei. prriment. A pMOC of Mb, suih as g u.-d in the l'.uckcvc iiHicliinc, Ml placed in a clamp alonpr with a piM 0Í Steel of Ol length, the :imi' a i.s naad in all steel Hinders. lite steel weighed Jnsl twloeamwjh as the wood, and vet the steel invariable yielded and bent as tbe pressttre was brotght ili. wii. The wood was scarci'ly nut of line, and when tlio damp was removed it BpruYig back to its original üliape. Not M with the steel. It not ouly bent under tbc preawi of the clamp, but reniaini'd bent wbi-n the clamp was taken o ft'. ïhis, it is olaimed. is a olear ílhistrntion of the differente between wood and stoel frame Binders. When m all -steel machine is hrought in tosharp contact with some uny H'lding obstaclé, (ta frame is liable t spring, and when once Spruilg ita u.-efulness is at an end. It caiinot be straightened without resort to tha shop for repairs. A wooil frame i uot thus affected. If bent nnder a violelri straln. it at once spring bar to it original shu]. At the tirst glancc it ¦vould netn tlnit ¦ sid.1 Binder i.s lightBr ilmn a wood fnuiit', and tbal it possessed greater streiigth. lint t i ari mstanoe in wiiicn appearanues uit urarptive. A piece of steel onefoot long and a half inch Moare, weighs doublé us mucli aa a piooo of seasoned ash ene toot hiiL and 14 inches square. In other worda the steel, in proportion to huik, i fifteen tnd on-eighili times as heavy aa thewood, A steel fruine of a machine hieh la one-lifteenth M lare as :i wond frame, weigha exactly the sin.e a the wuod. Hut even with this diHerence in si.e. thewood haa tour times the strength. Tlii'M' are simple próblems wliii-h vn farmer can solve fnr himelf. lle need nut accept the word of any man whoM interests wouid le aubserred by hawtng him beliavi .ui. ¦ ay fr the otlicr. Make tUo ti -t yi.ur self, and wlu'n an agent comes to you will a denial oí this propotitiau, yon can talk lntelligeotly from personal knowledge.