What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
acetous acid afforded alkali angles apparatus appears atmosphere axis azotic barytes bitumen body cafe camphor carbonic acid cause charcoal cinnabar colour combustion consequence considerable contains copper corundum crystals cylinder deflexion degree diameter distance distilled earth effect electric equal evaporation experiments fame feet flame flexion fluid formed fringes glass gold grains heat hydrogen Iceland inches iron Jupiter lamp less light lime means memoir mercury metal mixture motion mountain muriatic acid nature nearly nitric acid observed obtained operation orifice oxide oxygen oxygenated muriatic particles pass Philosophical phosphorus pieces piston plate portion potash precipitate prism produced proportion quantity rays red lead reflexion remains remarkable rendered respect river salt saltpetre satellites Senegal river shew side solution species specific gravity speculum steel stream substance sugar sulphuric acid supposed surface temperature thickness thin tion tube vegetable vessel weight wheel whole wire
Page 355 - Armenians, have a singular method of ornamenting watch cases, &c., with diamonds and other precious stones, by simply glueing or cementing them on. The stone is set in silver or gold, and the lower part of the metal made flat, or to correspond with the part to which it is to be fixed; it is then warmed gently, and...
Page 107 - Being engaged lately in superintending the boring of cannon in the workshops of the military arsenal at Munich, I was struck with the very considerable degree of Heat which a brass gun acquires in a short time in being bored, and with the still more intense Heat (much greater than that of boiling water, as I found by experiment) of the metallic chips separated from it by the borer.
Page 116 - ... it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner the Heat was excited and communicated in these experiments, except it be MOTION.
Page 13 - Far on the right, her dogs foul Scylla hides: Charybdis roaring on the left presides, And in her greedy whirlpool sucks the tides; Then spouts them from below: with fury driv'n, The waves mount up and wash the face of heav'n.
Page 221 - ... above defcribed, and having remained for a long feries of years in thofe places of reft, expofed to the permeating action of water, have become enveloped in, and cemented by, the calcareous matter which it depofits. THE bones, in this composition, have not the fmalleft appearance of being petrified ; and if they have undergone any change, it is more like that of calcination than that of petrifaction, as the moft folid parts of them generally admit of being cut and fcraped down with the fame eafe...
Page 112 - ... made watertight by means of collars of oiled leather, the box was filled with cold water (viz. at the temperature of 60'), and the machine was put in motion. The result of this beautiful experiment was very striking, and the pleasure it afforded me amply repaid me for all the trouble I had had in contriving and arranging the complicated machinery used in making it.
Page 112 - ... of the other end of it, it is evident that the machinery could be put in motion, without the least danger of forcing the box out of its place, throwing the water out of it, or deranging any part of the apparatus.
Page 116 - I could perceive none; nor was there any sign of decomposition of any kind whatever, or other chemical process, going on in the water. Is it possible that the heat could have been supplied by means of the iron bar to the end of which the blunt steel borer was fixed?