This section is from the book "The Gardener V2", by William Thomson. Also available from Amazon: The New Organic Grower: A Master's Manual of Tools and Techniques for the Home and Market Gardener.
This new oil is beginning to attract the attention of painters in New Zealand. It is a product obtained by the distillation of kauri gum and coal. Its preservative properties are spoken of in the highest terms of praise, and it is said to be far superior to tar for preserving wood when exposed to damp. It gives a beautiful soft brown colour to any article painted with it. If the high opinion now formed of it should be borne out in actual and lengthened tests, there cannot be a doubt but the successful manufacturing of this oil will add somewhat to the price of the well-known kauri gum.
 
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