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Updated: May 31, 2025
Nothing remained but to release them, or to shut them up in dungeons, in order that the people might not say the Holy Father had arrested them without due cause. The latter course was chosen. Platina, the historian of the Popes, was one of the abbreviatori whom Paul had cashiered, and one of the Platonists whom he had tortured.
And to do away with all objections with regard to vegetable substances or glass, he conducted his process in a vessel made of baked tobacco-pipe clay inserted in a crucible of platina. I have no doubt of the correctness of his results; but the conclusion appears objectionable.
"Another curious law is this: It will require a greater initial battery to bring an iron wire of the same size and resistance to a given temperature than it will a platina wire in proportion to their specific heats, and in the case of Carbon, a piece of Carbon three inches long and one-eighth diameter, with a resistance of 1 ohm, will require a greater battery power to bring it to a given temperature than a cylinder of thin platina foil of the same length, diameter, and resistance, because the specific heat of Carbon is many times greater; besides, if I am not mistaken, the radiation of a roughened body for heat is greater than a polished one like platina."
If not, the screws may be rightly adjusted in the following way: The top screw, which at its lower point is tipped with a small coil of platina wire, should be made to press delicately upon the center of the little iron plate on the upper side of the spring, so as to bear the latter down very slightly.
Cyrus Harding had now at his disposal a large quantity of these sulphate of iron crystals, from which the sulphuric acid had to be extracted. The making of sulphuric acid is a very expensive manufacture. Considerable works are necessary a special set of tools, an apparatus of platina, leaden chambers, unassailable by the acid, and in which the transformation is performed, etc.
At such times, a prelate belonging to the academy would first say mass; Pomponio would then ascend the pulpit and deliver a speech; someone else would then follow him and recite an elegy. The customary banquet, with declamations and recitations, concluded the festival, whether joyous or serious, and the academicians, notably Platina himself, early acquired the reputation of epicures.
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