Abstract of 'Researches on magnetism and on certain allied subjects', including a supposed new imponderable / By Baron von Reichenbach. Translated and abridged from the German by William Gregory.

  • Reichenbach, Karl, Freiherr von, 1788-1869.
Date:
1846
Catalogue details

Licence: Public Domain Mark

Credit: Abstract of 'Researches on magnetism and on certain allied subjects', including a supposed new imponderable / By Baron von Reichenbach. Translated and abridged from the German by William Gregory. Source: Wellcome Collection.

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    Liver of Sulphur. Roll Sulphur. Compact Talc. Gurhofian ? Magnesite. Pumice Stone. Obsidian. Menilite. Common Opal. Petrified Wood. Egyptian Jasper. Compact Quartz (with fatty lustre.) b. Crystallized. Crystalline Limestone. Dolomite. Orpiment. Wavellite. Kakoxene ? Native Silver. Irregular crystals. Loaf Sugar. Ore of Antimony. Prehnite. Natrolite. II. ACTIVE. These were all beautifully crystallized, often large fine single crystals from the Imperial Collection. a. Such as caused the fingers to ceptible spasm. Diamond, very small. Metallic Antimony. Mesotype. Witherite. Tinstone. Mica. Corundum. Prussiate of Potash. Sugar Candy. Leucite. Garnets. Augite. Hornblende. Staurolite. Blue Vitriol. Foliated Graphite. Wolfram. Dse on the body with hardly per- Metallic Bismuth. Fahlerz ? Rutile. Lievrite. Asparagus stone. Sphene. Iron Pyrites. Analcime. Adularia, Felspar. Boracite. Celestine. Topaz. Apatite. White Lead Ore. Gold-crystal, ^ inch thick. Alum. b. Those which caused the hand to be closed with spasm, but did not attract it to follow. Pistacite. Glance Cobalt. Zinc Blende. Elba Iron Ore (specular.) Magnetic Iron Ore. Rock Salt. Rock Crystal. c„ Those which caused the hand to contract with violent spasm, and attracted it also when made to pass near it. Meteorite of Macao. Sandstone from Fontainebleau. Arragonite. Tourmaline (cold or hot.) Beryl. Gypsum. Fluor Spar. Heavy Spar. The general result is, that distinct solitary crystals acted on the hand very distinctly, as described; and therefore such crystals appeared to possess a power not previously noticed, and of a peculiar nature. As far as we have gone, this pro¬ perty appears to depend on the structure of matter, and par- B