Books › Old Violins And Their Makers, 1883 › scan 297
Scan 297
Old Violins And Their Makers, 1883
4 lines. Read by computer on 27 September 2026. Printed page 283. See the scan on archive.org.
1quickly through the linen as much as you can of the alcohol which the wood will have taken up. Then put in the other half of the sandal wood and do as before. At the end of the second period filter again in the same manner, cork the bottle, and preserve it for use. About a fourth of the alcohol will probably remain in the wood.
3There are two kinds of sandal wood. One, sometimes also called coral wood, is the Pterocarpus indicus, from Calcutta; it gives a red orange tint. Another, from the Coromandel coast, is called Pterocarpus santalinus, and yields a deeper red; but employed alone it would be too dark, so that if a deeper tint than the first is wanted, it will be better to take half of each. Of course, one must strive to get it free from all other substances. To make a coloured essence with dragon's blood, 6oz. will be sufficient to 7 gills of alcohol, saturated at two distinct times, as indicated above, and treated in the same manner. This resinous substance deposits insoluble matter which contains hardly any colour. Less alcohol will be lost in making this solution than is experienced in that of the sandal wood, because dragon's blood is a resin, and is almost entirely dissolved, while in the other case the alcohol separates the resinous colouring matter from the wood and leaves it swollen like a sponge. From dragon's blood more colour will be obtained and the operation hastened by placing the bottle in a stove, as already explained, adopting, of course, the same or similar precautions against the chance of accidents. In summer, it will be sufficient to expose it to the sun. These solutions may be kept for some time without altering, provided the bottles are thoroughly well corked. If the alcohol
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