Mechanics' Magazine, المجلد 32

الغلاف الأمامي
Knight & Lacey, 1840
 

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الصفحة 451 - Almighty's form Glasses itself in tempests; in all time, Calm or convulsed, — in breeze, or gale, or storm, Icing the pole, or in the torrid clime Dark heaving; — boundless, endless, and sublime. The image of eternity, the throne Of the Invisible; even from out thy slime The monsters of the deep are made; each zone Obeys thee; thou goest forth, dread, fathomless, alone.
الصفحة 451 - Thou glorious mirror, where the Almighty's form Glasses itself in tempests; in all time Calm or convulsed — in breeze, or gale, or storm, Icing the pole, or in the torrid clime Dark-heaving; boundless, endless, and sublime — The image of Eternity — the throne Of the Invisible; even from out thy slime The monsters of the deep are made; each zone Obeys thee; thou goest forth, dread, fathomless, alone.
الصفحة 85 - Lavoisier from thinking any such opinion warranted, that till he was prevailed upon to repeat the experiment himself, he found some difficulty in believing that nearly the whole of the two airs could be converted into water.
الصفحة 86 - Watt did ; and the dates here become very material. It appears that he wrote a letter to Dr. Priestley on 26th April, 1783, in which he reasons on the experiment of burning the two gases in a close vessel, and draws the conclusion, " that water is composed of dephlogisticated air and phlogiston, deprived of part of their latent heat."* The letter was received by Dr.
الصفحة 215 - An Act to secure to Proprietors of Designs for articles of Manufacture the Copyright of such Designs for a limited Time.
الصفحة 85 - Mr. Cavendish then burned in the same way dephlogisticated and inflammable airs (oxygen and hydrogen gases) , and the deposit was always more or less acidulous, accordingly as the air burnt with the inflammable air was more or less phlogisticated. The acid was found to be nitrous. Mr. Cavendish states, that " almost the whole of the inflammable and dephlogisticated air is converted into pure water.
الصفحة 29 - The metal is a combination of copper and zinc, the best admixture being found to be 60 per cent, of the former, and 40 per cent, of the latter. The...
الصفحة 51 - I scratched the initials of my name rudely on the plate, taking special care that the cement was quite removed from the scratches, that the copper might be thoroughly exposed. This was put in action in a cylindrical glass vessel, about half filled with a saturated solution of sulphate of copper. I then took a common...
الصفحة 20 - A TREATISE ON A BOX OF INSTRUMENTS, And the Slide Rule ; with the Theory of Trigonometry and Logarithms, including Practical Geometry, Surveying, Measuring of Timber, Cask and Malt Gauging, Heights, and Distances. By THOMAS KENTISH. In one volume. 12mo.
الصفحة 36 - ... along with from one to three per cent, of their weight of carburet of manganese, and exposing the crucible to the proper heat for melting the materials, which are, when fluid, to...

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