American Journal of Pharmacy and the Sciences Supporting Public Health, Volume 13

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Philadelphia College of Pharmacy and Science., 1842
 

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Page 259 - Tonfala with sluices ; the former was finished in 1819, and the latter in 1821. Since that time the diseases of mal-aria have ceased so entirely at all points, that no other dangers are now incurred, regarding the insalubrity of the atmosphere, than such as may arise from neglect of these sluices, which the inhabitants of the country should regard as their palladium.
Page 231 - It possesses properties which we do not find in any other compound of nitrogen ; when pure, it is extremely soluble in water ; it forms soluble compounds with all the acids ; and when in contact with certain other substances, it completely resigns its character as an alkali, and is capable of assuming the most various and opposite forms. Formate of ammonia changes, under the influence of a high temperature, into hydrocyanic acid and water, without the separation of any of its elements. Ammonia forms...
Page 248 - Make a saturated solution of crystallized gallic acid in cold distilled water. The quantity dissolved is very small. Call this solution B. When a sheet of paper is wanted for use, mix together the liquids A and B in equal volumes, but only mix a small quantity of them at a time, because the mixture does not keep long without spoiling.
Page 297 - Society such scientific men ад?204' as have distinguished themselves in any of the branches of knowledge embraced in the educational objects of the Society. 2. The Council shall from time to time determine the number of persons to be Honorary and Corresponding Members, and there shall be a book kept by the Council, in which Members of the Council shall enter the names of...
Page 31 - Germen. female flower unknown. Berry about the size of a cherry, round, with a firm reddish-brown external coat, and sweet pulp, four-locular, surrounded at the base by the persisting calyx and a few free abortive stamens, crowned with the four-lobed tubercled sessile Stigma ; loculament singleseeded.
Page 248 - Then dip it into a vessel of water, dry it lightly with blotting-paper, and finish drying it at a fire, which will not injure it even if held pretty near : or else it may be left to dry spontaneously. All this is best done in the evening by candlelight. The paper so far prepared the author calls iodized paper, because it has a uniform pale yellow coating of iodide of silver.
Page 251 - ... to thirty minutes of sunshine, according to circumstances, to obtain a good copy on this sort of photographic paper. The copy should be washed and dried, and the fixing process (which may be deferred to a subsequent day) is the same as that already mentioned. The copies are made by placing the picture upon the photographic paper, with a board below and a sheet of glass above, and pressing the papers into close contact by means of screws or otherwise. After a Calotype picture has furnished several...
Page 258 - All attempts to avoid the scourge, by living on the hills, or in the interior, and frequenting the plains when the business of cultivation essentially required it, were vain ; they fell victims to the extensive influence, and such being the effects upon the inhabitants of the country, much more rapidly did a stranger suffer from the deleterious atmosphere ; one single night in the months of August and September causing inevitable death to the incautious traveller who should stay so long in this infested...
Page 295 - BRITAIN," having for its object the union of the members of the trade into one body — the protection of the general interests — and the improvement and advancement of scientific knowledge. As the basis of such union, your Committee would recommend the adoption of education, examination, registration, and representation as involving beneficial results to the public in general, and to the Chemists and Druggists in particular ; and offering to the existing medical corporations and to the medical...
Page 295 - ... having for its object the union of the members of the trade into one body — the protection of the general interests — and the improvement and advancement of scientific knowledge. As the basis of such union, your Committee would recommend the adoption of Education, Examination, Registration, and Representation as involving beneficial results to the Public in general, and to the Chemists and Druggists in particular ; and offering to the existing medical corporations, and to the medical profession...

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