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The Science, Best and Cheapest Way of Preserving Wood.
The Journal of Forestry thus explains what is necessary to preserve wood: " The primary cause of decay in wood is the fermentation and the decomposition of the sap that is within the pores. Wood, pure and by itself, is not easily destroyed by the ordinary agencies of nature, namely, wet and dry weather, heat and cold, etc. If the sap within the pores can either be removed or rendered inactive, the wood may be preserved. There are several methods of doing this, such as saturating the wood with mineral salts, creosote, etc. The cheap-
st. easiest and therefore the best method seems to be to charge the wood with, crude petroleum. Pine (if seasoned), for example, is made almost waterproof fay saturating it with this simple material, and. therefore, made much more lasting. Crude petroleum is very cheap, and maybe applied with a brush until the wood will soak up no more. In the application
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