right g h t treatment baves S T ap M tk w costs 0 isoac irO aC docs r 1 ence will resist decay for periods rhods of twenty years if attended to when properly treated oven even the m ost perishable woods can bo be made to resist decay for periods of twenty years or more prof C 11 II guise stated at Cor Cornell nells 3 farm and home week at ithaca there are but few kinds of 0 wood which cannot bo be treated with considerable profet provided the correct procedure la Is followed it la Is unfortunate professor guise continued that some have the idea that treatment merely consists of p painting the wood with some preservative like coal tar creosote at the outset it cannot be stated too strongly y that unless thorough treatment la Is to be given very little value will result the details of correct treatment for farm timbers are tow few and easily understood but they must be given careful attention last twenty years from actual experiments started twelve years ogo ago at the new york state college of agriculture of posts treated by the hot lind cold hath bath method 93 95 per cent are still in service and thoroughly sound on the basis of their present condition these posts should easily last twenty years if not longer the species treated were beech red oak elm hemlock bas basswood s white ash and other common commo n woodlot woodloe species all of which are wood classed as with the possible exception of the li hemlock emlock 11 professor guise gave the results of varying kinds of treatment of those fence posts untreated 22 per cent remain after 12 years of service of those merely brushed 80 30 per cent remain of those only dipped 41 per cent are left while those which were given the hot and cold bath 05 95 per cent are still in good condition professor guise added that if it were riot not for hemlock which has been giving excellent service with the untreated brushed and dipped posts the percentage of those remaining would be much lower expense justified in the matter of cusi cost professor guise stated that the expense of a thorough creosote treatment Is cleary ly justified when species are being use used As to the use of un grated chestnut in comparison with treated species there Is little choice lie be said that it ably does not pay to treat black locust and red cedar the most durable of the native woods for these a life of twenty five to forty years Is not uncommon professor guise gave a comparison of costs of treated and untreated posts for the untreated post of species the total cost in place Is 22 its estimated estimate life Is five years its annual cost 04 1 for the species treated the ilie total cost in place Is 38 if it lasts 15 years the yearly cost Is if it lives 20 years the annual cost Is