Experimental Researches Concerning the Philosophy of Permanent Colours And the
The book Experimental Researches Concerning the Philosophy of Permanent Colours And the was written by author Edward Bancroft Here you can read free online of Experimental Researches Concerning the Philosophy of Permanent Colours And the book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Experimental Researches Concerning the Philosophy of Permanent Colours And the a good or bad book?
What reading level is Experimental Researches Concerning the Philosophy of Permanent Colours And the book?
To quickly assess the difficulty of the text, read a short excerpt:
At the rate of one ounce from about 17 Ibs. Of leaves and shoots. On the second day, 64lbs. Of leaves and shoots, also cut at sun- rise, yielded in the same way, four ounces 5 -f ff of very fine indigo, or at the rate of one ounce from less than 1 61bs. Of the leaves and twigs. This indigo was washed with diluted sulphuric acid, and three several times afterwards, with hot water; and though the pro- duce was largest, the colour was a little the brightest. On the third day, 56lbs. Of the leaves ...and twigs were cut at noon, the sun having shone upon them several hours; they produced in Philosophy of Permanent Colours. expected to do, in the way that the colour of indigo dis- solved by it for the Saxon blue, is brightened. Probably the diluted acid, here recommended, will not be capable of diminishing the colouring matter of indigo, by dis- solving and removing any part of it: but if there were any danger of this, it would be advisable to substitute the muriatic acid, which could have no such effect, upon the indigo itself, though it is equally efficacious in dissol- ving all other matters likely to be mixed with indigo.
User Reviews: