Gaboon barwood is another variety of this dyewood which is imported from the west coast of Africa, in straight flat pieces, from three to, five feet in length; the average annual import being about 2,000 tons, of the value of £4 a ton.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

The recent development in the preparation of dyewood extracts, with notes of their adulterations.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

By this date Loango had become an important commercial power, trading with Europeans, especially Dutch, in ivory, hides, red dyewood, and raffia but relatively few slaves.    From Wordnik.com.  [1576-1671] Reference

Indeed, there is no difficulty nowadays in procuring dyewood extracts of high excellence if the consumer is willing to pay a price for them corresponding to their quality, and knows how to avail himself of the aid of chemical skill to control his purchases.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

The correct determination of such admixtures, like the fixing of anything like the exact commercial value of dyewood extracts, requires nothing less than a complete chemical investigation coupled with numerous dyeing trials in comparison with standard preparations, and should be left to an expert.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

The presence in dyewood extracts of coloring matters in various stages of development has hitherto militated against their use in place of the raw materials by many dyers and printers who are still employing inherited and antiquated processes in which the whole of the coloring matter is not rendered available.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

Such, however, was not the case, and it was a very common thing for the consumer of dyewood extracts to require the manufacturer to prepare them specially for him so as to suit his own dyeing recipes, or in other words to give exactly the same shades, weight for weight, by his own method of dyeing as the article he was in the habit of using.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

The estimation of the individual coloring matters in these extracts by means of a chemical analysis is under all circumstances a task requiring much experience, especially as the coloring principles are associated in different qualities of each class of dyewood with different proportions of other constituents which often give much trouble to the unpracticed experimenter.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

In commerce, any dyewood, lichen, or dyecake used in dyeing and staining.    From Wordnik.com.  [A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma] Reference

The Portuguese were harvesting dyewood in Brazil, and the French were trading for furs in Canada.    From Wordnik.com.  [TIME.com: Top Stories] Reference

"We had very little cargo here, and when he heard there was some dyewood at San Ignacio the captain steamed off again," he explained.    From Wordnik.com.  [Brandon of the Engineers] Reference

Great was the joy of Vespucci when he discovered in the forests large quantities of a sort of red dyewood which was prized very highly by.    From Wordnik.com.  [Discoverers and Explorers] Reference

The excuse of the Spaniards for most of these seizures was that the vessels contained logwood, a dyewood found upon the coasts of Campeache.    From Wordnik.com.  [The Buccaneers in the West Indies in the XVII Century] Reference

The dark masses had rolled away over the south-eastern horizon, and were now spending their fury upon the dyewood forests of Honduras and Tabasco.    From Wordnik.com.  [The Rifle Rangers] Reference

The testing of dyewood extracts in such a manner as to throw full light on their purity, the quality of raw material from which they are prepared, their exact commercial value their suitability for special purposes, and the proportion and nature of any adulterants they may contain, is of course a difficult and tedious task, and must be left to the expert who is in possession of authentic specimens prepared by himself of all the different extracts made from every variety and quality of raw materials, and who combines a thorough knowledge of experimental dyeing and printing with a large experience in the chemical investigation of these preparations.    From Wordnik.com.  [Scientific American Supplement, No. 711, August 17, 1889] Reference

"Then they take the dyewood off in boats?.    From Wordnik.com.  [Brandon of the Engineers] Reference