| Show The Li Latest Move to Save Our Forests A 4 Governments Forest Prod Products 1 Laboratory at ut Wis Ws Wisconsin University I HANKS to 00 0 the tit efforts of oC For lor 1 mor met President Roosevelt President Taft Former Chief C Forester Pinchot mend and others attempts t to preserve tho the forests are ar under way Th The The speedy Iy disappearance of ot nil all our trees which according to 10 lomo estimates will last but hut years rs longer at the tho present rate of ot consumption may ho bo staved ort off a 0 little longer longcor In the tho mean menn meantime time an attempt to 10 solve the tho forest preservation problem by attacking It from Crom a different angle Is III promising good results It la is I the endeavor to toIVO of uI each ellch Pave fave for tor usa uno the 7 tree which are now being wasted It If scientific methods of ot will enable us to use ut of ot a n tree tre Instead of ot ns as at nt present the drain on the nations forests will wilt meet with a n very effectual check chck The Th mate mat of ot GG 60 G 23 teen per remit cent ut waste easte at pros pre present ent was Willi made modo recently l by y th the tho officials official of at the Ih United States forest for service In the effort Nort to prevent this truly Iruh alarming waste of ot wood the govern government ment I is III concentrating Us its energies at atthe atthe atthe the newly erected forest products lab laboratory laboratory oratory orator at the of ot I eln rio In at Madison Win WI The he purpose of oC the tho laboratory la is the devising of ot set scientific 11 entitle methods not only ant of oC saving raving what trees are arl left Ift but hut also aillo of utilizing ing tha so 0 called waste products product In Inthe Inthe Inthe the tanking making of ot print paper wood 1 alco itlen hoi itol turpentine nail other useful ma ama materials the tho of DC l I Inow Ic now RUng rating up the forests nt Rt a pro Iro rate rot rotIn In the laboratory are Included all sorts of oC apparatus Intended to 10 demoon winnie what eon an on tio he h Ine In the th of ot wood wod utilization and preservation There are nr machines to 10 test the tensile 1 and torsion strength of oC various sorts erta of ot wood wooI In order oror to tilt tell to which purposes a they may best het b be put flut There are Im Impact impact pact machines no so 1 0 pan gauged fed that th the hammers ranging In weight lenin from 50 to pounds pound I ran can an he ho dropped d from front heights up UI to six sl III feet upon Ilon the tho herein beam or block of ot wood tread exerting a sudden pressure of hundreds of ot pounds This Is la to test tent the resistance of oC the wood There are test teat tanks In which woods wood of ot various pOrts orts are n In tn pre preservative Ir solutions In its order to nicer tam how ho and slid with what chemicals they may ma best be b Impregnated In order to withstand the th attacks ka of the thA funt rend that do an on Incalculable la his ble bl amount of ot damage daml In a 0 year r There Ther W are treatment cylinders Into Int which timbers are placed tend and In which oil Is forced Into Inlo the fibers of ot the tho th wood un until until til It II will trill hold build no more mure In order to determine how Hinder r may pia bo be ren men rendered dared dered more durable There Them are ore chem chemical ical laboratories machine shops and every variety varlet of equipment and machinery to nt lIt tho the laboratory for tor Its lis work vork Tho The university lt which has one of ot the best bent forestry courses In the world orld Is la cooperating with the gov government government In the time tests A very H Interesting feature of ot the laboratory work Is lit the tho th plant wherein It Is III hoped that tho the possibility of making makinI satisfactory I the tho most moat Important problems to 10 which considerable time and laboratory space are aro given A touch of ot acute Interest Is lent to this work vork from tho the fact act that through Its Ita direct agency ogency human life lite may mil mit bo ho saved l since one on of ot the most mOlt common sources of fatal mine cave cae Ins Ina Is III the destruction of ot the support supportIng I Ing timbers by b fungi and other ene sac enemies mien mies of ot the tho wood What hat sorts of ot wood will wilt best stand aland various strains train In bridges buildings I and different structures will be b de do determined in the timber testing Inborn labora laboratory tory tor whore two seven horsepower mo moI i I tor tons furnish the current to tt run tho i To see seo what ludden strains o k pine maple and other sorts sorto of at wood woot woodI will withstand the Iho Impact machine I mentioned before In this article was built buitt In the machine ma shops of or Purdue I university rend and sent to the Wisconsin forestry laboratory for tor experiments Steam heated ovens for tor drying wood woodIn In order to test the shrinkage warp warpIng wn an anIng Ing log tendencies end and water wate content con lent of ot different varieties mere are n II part of oC the laboratory equipment ani a Ii room in which to conduct seasoning expert experiments meats ments has also been set at aside alde In lii an another another another other part of ot the tho laboratory tests It b will trill willbo bo bl conducted to ascertain the heat h at conductivity of ot different woods wooda to as u assist cut alst In the tho work of ot the tests 1 la Stumps and other portions of at the I i I riff a CF Tin OCR R g K j uasa print paper from materials material a other than thon spruce und amid hemlock wood will be demonstrated The plant Is III complete I and able ubi to turn out every grade of ot paper tram front the tho finest correspondence I stationery to the coarsest coart wrapping paper Every step In the complicated from tram the breaking of ot the th wood Into chips for tor the first treat trtat treatment ment mont by b soda and sulphite solutions solution to time the final running of ot the sliest sheets of ot paper through thu Ih rolls roll to produce a finished surface Is I follow tollow followed ed carefully so that the results of at the substitution of ot rl u woods hitherto I i not used ud successfully for tor this purpose for tor the tho usual materials may ma be bo noted nt at each stage In the tho process ot of manu maim manufacture i j facture I How to malts make timber last lat longer by protecting It with preservatives from Crom the various borers boner and fungous tun ul I 1 I growths which attack wood woud Is La on OD ous of at I I Ilai I lai a C I machinery of oC the laboratory In the I I machine timbers can be twist twixt twisted ed Cd d until the strain reaches Inch pounds five testing machines are provided to 10 test tet the of ot dlf ferent woods woodi under stow slow pressure one I hating halna a capacity of ot pounds pound another r of tit twice that amount am mid and anI I three other smaller machines of ot I I pounds pound each pine trees Iret now nol wasted will wilt be b put Into stills and retorts and the Uie turpentine tar and anti gaseous material will be ex ix extracted extracted carried off olT separated Il and re no refined reo fined nned Into various arloua commercial prod products ucla If It methods method of ot doing this eco economically can be devised devIlled the problem of oC utilizing much of ot the tue pIne pic wood now wasted waited will wilt be solved ARTHUR J 1 |
