The Boy's Playbook of Science: Including the Various Manipulations and Arrangements of Chemical and Philosophical Apparatus Required for the Successful Performance of Scientific Experiments ; In Illustration of the Elementary Branches of Chemistry and Natural Philosophy
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angle apparatus appears arrangement attached ball balloon battery bodies boiler bottle brass bromine bulb burning called carbonic acid centre of gravity charcoal chlorate of potash chlorine coil cold colour combustion concave mirror condenser containing convex lens copper cork crystal cylinder diameter direction disc earth effect electricity electro-magnetic engine ether Experiment feet flame flask force gas jar gases glass plate glass tube heat hydrogen illustrated inches invention iodine iron lamp lantern latter lens Leyden jar liquid magnetic mercury metal motion needle obtained oil of vitriol ounces oxide oxygen paper particles passing phosphorus picture piece pipe piston placed platinum polarized light pole potash potassium produced quantity rays of light reflected refraction round salt shown side silver solution specific gravity steam stereoscope substance sulphuric acid surface takes fire temperature thermometer tourmaline vapour vessel voltaic weight whilst wire gauze zinc
Page 255 - To gild refined gold, to paint the lily, To throw a perfume on the violet, To smooth the ice, or add another hue Unto the rainbow, or with taper-light To seek the beauteous eye of heaven to garnish, Is wasteful and ridiculous excess.
Page 195 - ... is deflected to one side or the other, according to the direction of the current ; and...
Page 92 - I presently found that, by means of this lens, air was expelled from it very readily. Having got about three or four times as much as the bulk of my materials, I admitted water to it, and found that it was not imbibed by it. But what surprised me more than I can well express was, that a candle burned in this air with a remarkably vigorous flame...
Page 425 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner as the pressure of the atmosphere is now employed in common fire engines. In cases where cold water cannot be had in plenty, the engines may be wrought by this force of steam only, by discharging the steam into the open air, after it has done its office.
Page 425 - In engines that are to be worked wholly or partially by condensation of steam, the steam is to be condensed in vessels distinct from the...
Page 2 - Whole tribes of birds are musicians. The beaver is an architect, builder, and wood-cutter ; he cuts down trees, and erects houses and dams.
Page 138 - It is nothing else,' said the engineer ; 'it is light bottled up in the earth for tens of thousands of years, — light, absorbed by plants and vegetables, being necessary for the condensation of carbon during the process of their growth...
Page 381 - Hence, when heat is applied to the bottom of a vessel containing water, a circulation is established, which goes on from the first moment until the operation of heating finishes: — water is always rising from the hotter parts of the vessel, and descending over the colder parts.