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He could see nothing but a confused mass of heads, vaguely lighted by the rays from that vast screen. It was some kind of an exhibition. "Now, ladies and gentlemen," said a strange voice issuing from the darkness, "we shall show you the wonders of the oxy-hydrogen microscope; natural objects magnified five thousand times. Look and behold the proboscis of the common house fly."
Wollaston beautifully shewed, a globule of platinum fused by the voltaic battery and the oxy-hydrogen blowpipe, when drawn into a wire, was not sounder or stronger than this wire made by the curious coalescence of the particles by the sticking power that they had at high temperatures. This is the process adopted by Messrs.
Platinum, alumina, and rock crystal, it is true, cannot be liquified by the most intense heat of our furnaces, but they melt like wax before the flame of the oxy-hydrogen blowpipe. On the other hand, of the twenty-eight gaseous bodies with which we are acquainted, twenty-five may be reduced to a liquid state, and one into a solid.
"After a sleep of some hours, I left the house. I returned in the afternoon in a cab. I had with me an oxy-hydrogen jet, and two cylinders, containing the gases. I carried the things into the Grey Room, and there, in the center of the Electric Pentacle, I erected the little furnace.
Here would be another light, as of oxy-hydrogen, showing the very grain of things, and revising all former explanations. Of this sequence to Bichat's work, already vibrating along many currents of the European mind, Lydgate was enamoured; he longed to demonstrate the more intimate relations of living structure, and help to define men's thought more accurately after the true order.
As soon as the body is deposited therein, sheets of flame at an immensely high temperature rush through the long apertures from end to end, and acting as a combination of a modified oxy-hydrogen blowpipe, with the reverberatory furnace, utterly and completely consume and decompose the body, in an incredibly short space of time.
They are not burning like the hydrogen flames which are used for the oxy-hydrogen lantern. Were the solar hydrogen so burning, the sun would quickly be extinguished. They are simply aglow with intensity of heat, as a mass of red-hot iron is aglow; and, so long as the sun's energies are maintained, the hydrogen around him will glow in this way without being consumed.
As already mentioned, Professor Hare, of Philadelphia, inventor, among other things, of the oxy-hydrogen blow-pipe, was the first man of note who had the moral courage, after considerable personal investigation, to declare that these new and strange developments were true. He was followed by many medical men, both in America and in Britain, including Dr.
The electric light affords, probably, the strongest and best illumination for the magic lantern; then comes the magnesium light; but their use is a little troublesome and rather expensive; next to these in illuminating power is the oxy-hydrogen or Drummond light. The preparation of the gases and the use of the calcium points involve considerable skill.
The "Sciopticon," is the name of his new instrument, and from actual trial we find that it possesses many superior qualities. Its lenses are excellent, and in illuminating power its light ranks next to the oxy-hydrogen. The sciopticon light is produced from ordinary coal oil by an ingenious arrangement of double flames, intensifying the heat and resulting in a pencil of strong white light. Prof.
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