James Woodhouse: A Pioneer in Chemistry, 1770-1809 |
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Common terms and phrases
acid gas added alkali alum ammoniac appears astringent atmospheric air azotic gas bar iron bark basaltes boiled calces calx calx of iron carbonic acid carbonic acid gas charcoal chemical chemistry chemists coal contain copper decomposition diluted dissolved Doctor drachm earth evaporation experiments exposed filings finery cinder fixed air formed gallic acid galls genous gas green vitriol hundred grains hydrogen hydrogenous gas inches James Woodhouse laboratory lime water manner measures of hydrogenous measures of inflammable Medical ments metal mixed muriatic acid nitrate nitre nitric acid nitrous air obtained ounce measures oxide oxyd oxygenous gas Persimmon Philadelphia phlogiston portion pot-ash powder Priestley Priestley's procured produced prussiate pure air red heat red hot red precipitate resin revived Rush salt Silliman silver small quantity solution stones substance sulphuric acid tained tion tube turbith mineral unites vessel vitriolic acid wall Woodhouse's Xanthorhiza yellow yield zinc
Popular passages
Page 34 - Rush his Heirs, Executors, Administrators and Assigns for ever, all my Right, Title, Interest, Property, Claim, and Demand whatsoever, of, in, and to a certain Warrant, by me obtained out of the Land office for the Commonwealth of Pennsylvania, bearing date for the Quantity of four hundred Acres of Land (be they...
Page 286 - James river coal, submitted to an experiment of the same kind, burned out in four hours. "A fire was made with the Lehigh coal in a smith's forge, and two thick bars of iron were placed in it, and welded with great ease, by the proprietor of the furnace. "The smith, his journeymen, and bystanders were convinced, that the heat was much cleaner and greater, than that of the James river coal. "As the Virginia coal burns with flame and much smoke, a vast portion of this combustible substance, and the...
Page 119 - ... practice of which he perfectly approved, and with Mr. Jefferson, the head of that administration, he frequently corresponded, and they had for each other a mutual regard and esteem. He enjoyed the esteem of the wisest and best men in the country, particularly at Philadelphia, where his religion and his politics did not prevent his being kindly and cheerfully received by great numbers of opposite opinions in both, who thus paid homage to his knowledge and virtue.
Page 225 - ... encouraging this process, and how to retard and check it, when it is likely to be carried too far, so as to be sure of uniformly obtaining satisfactory results. In this and in every other process, it must therefore be of importance to acquire some knowledge of the principles of natural substances, and of the nature of those changes which take place in the materials on which we operate.
Page 72 - Dr. Woodhouse was wanting in personal dignity, and was, out of lecture- hours, sometimes jocose with the students. He appeared, when lecturing, as if not quite at his ease, as if a little fearful that he was not highly appreciated, — as indeed he was not very highly. In his person he was short, with a florid face. He was always dressed with care ; generally he wore a blue broadcloth coat with metal buttons ; his hair was powdered, and his appearance was gentlemanly. His lectures were quite free...
Page 219 - chemical; and not a colour can be imparted but in consequence of the affinity which subsists between the cloth and the dye, or the dye and the mordant which is employed as a bond of union between them.
Page 115 - Sometimes this principle is heavy and sometimes it is not; sometimes it is free fire, and sometimes it is fire combined with the earthy element; sometimes it passes through the pores of vessels, and sometimes they are impenetrable to it: it explains at once causticity and non-causticity, transparency and opacity, colours and the absence of colours. It is a veritable Proteus which changes its form every moment.
Page 73 - ... of the facts revealed by chemistry, to illustrate the character of the Creator as seen in his works. At the commencement of the course he treated with levity and ridicule the idea that the visitations of the yellow fever might be visitations of God for the sins of the people. He imputed them to the material agencies and physical causes — forgetting that physical causes may be the moral agents of the Almighty.
Page 126 - For, Dick, if we could reconcile Old Aristotle with Gassendus, How many would admire our toil! And yet how few would comprehend us ! Here, Richard, let my scheme commence; Oh!
Page 221 - Wedge wood, to whom this branch of manufacture is so highly indebted, devoted his whole attention to the improvement of his art by the application of his chymical knowledge, of which few men possessed a larger share; and he has been heard to declare," that nearly all the diversified colours applied to his pottery were produced only by the oxides of iron.