1. If very much infected, remove the timber, and replace with new.
2. A pure solution of corrosive sublimate in water, in the proportion of an ounce to a gallon, used hot, is considered a very effectual wash.
3. A solution of sulphate of copper, half a pound to the gallon of water, laid on hot.
4. A strong solution of sulphate of iron; this is not so good as sulphate of copper.
5. A strong solution of sulphates of iron and copper in equal parts, half a pound of the sulphates to one and a half gallon of water.
6. Paraffin oil, the commonest and cheapest naphtha and oil, or a little resinous matter dissolved and mixed with oil, will stay the wet rot.
7. Remove the parts affected, and wash with dilute sulphuric acid the remaining woodwork.
8. Dissolve one pound of sulphate of copper in one gallon of boiling water, then add 1¼ lb. of sulphuric acid in six gallons of water, and apply hot.
TO PREVENT WORMS IN TIMBER.
1. Anointing with an oil produced by the immersion of sulphur in aquafortis (nitric acid) distilled to dryness, and exposed to dissolve in the air.