 | edmund ruffin - 1835 - 912 páginas
...delighted with all their African food, particularly this, which a great part of Africa subsists on." The object of the present communication is to give an account of the 'Five Hundred Pointes of Good Husbnndrie,' &c. by Thomas Tusser, somewhat more full than is exhibited... | |
 | 1865 - 1144 páginas
...then adding acetate of soda and digesting at a moderate heat, the indigo-blue after some time ceased to be deposited on exposure to the air, or even agitation...imagined that it was an essential condition that the indigo-blue should be in a state of solution ; but I soon found that this was not necessary. The operation... | |
 | 1865 - 332 páginas
...abandoned in the subsequent experiments. In the present communication the author confines himself to an account of the combined action of alcohol, acetate of soda, and caustic soda on indigo blue. The process adopted was quite simple. Pure indigo blue was introduced into a large... | |
 | Manchester Literary and Philosophical Society - 1868 - 362 páginas
...then adding acetate of soda and digesting at a moderate heat, the indigoblue after some time ceased to be deposited on exposure to the air, or even agitation;...imagined that it was an essential condition that the indigo-blue should be in a state of solution ; but I soon found that this was not necessary. The operation... | |
 | 1868 - 360 páginas
...then adding acetate of soda and digesting at a moderate heat, the indigoblue after some time ceased to be deposited on exposure to the air, or even agitation;...imagined that it was an essential condition that the indigo-blue should be in a state of solution ; but I soon found that this was not necessary. The operation... | |
 | Royal Society (Great Britain) - 1897 - 580 páginas
...Science, London. Communicated by DH SOOTT, MA, PhJX, FRS Received May 21,— Read June 18, 1896. . The object of the present communication is to give an account of the chief results of an investigation into the processes connected with the formation and fertilisation... | |
 | Royal Astronomical Society - 1903 - 734 páginas
...and ± 35°, but that at times they were numerous in such high latitudes as ± 80° and even higher. The object of the present communication is to give an account of the results of a general survey regarding the connection between the changes of position of these centres... | |
 | Royal Astronomical Society - 1903 - 776 páginas
...and ± 35°, but that at times they were numerous in such high latitudes as ± 80° and even higher. The object of the present communication is to give an account of the results of a general survey regarding the connection between the changes of position of these centres... | |
 | 1865 - 514 páginas
...then adding acetate of soda and digesting at a moderate heat, the indigo-blue after some time ceased to be deposited on exposure to the air, or even agitation...imagined" that it was an essential condition that the indigo-blue should be in a state of solution ; but I soon found that this was not necessary. The operation... | |
 | 1889 - 574 páginas
...difficult to allow for. It seemed therefore absolutely essential to make direct experiments on this point. The object of the present communication is to give an account of some experiments of this kind. A preliminary account of these experiments was communicated to the British... | |
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... the sugar itself. My supposition was completely verified by experiment. On treating some pure indigo-blue with alcohol, to which an alkaline solution of protoxide of tin was added until it dissolved, then adding acetate of soda and digesting at a... 
