nd pat- converting wood and lumber to the innumerable and of acetate or sulphate of copper. After being thor- necessary uses required for human comfort, So oughly tested in England’ this process has gradialy ents made and obtained for this purpose, one inven- great is the demand for lumber in the… … In this process the wood is saturated with a ‘concentrated solution of the chloride of zinc. While Kyan’s discovery tances from market or situated in almost inaccessible The following-named inventions and patents, made failed of being widely adopted, from the fact that the localities. The increase…
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