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| type = notice | | type = notice | ||
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| source title = | | source title = London Spiritualist | ||
| source details = | | source details = No. 300, May 24, 1878, p. 246 | ||
| publication date = | | publication date = 1878-05-24 | ||
| original date = | | original date = | ||
| notes = | | notes = | ||
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... | An Experimental Lecture.—Last Monday night, at the ordinary fortnightly meeting of the British National Association of Spiritualists, at 38, Great Russell-street, London, Mr. Desmond Fitz-Gerald, M.S.Tel.E., gave an experimental lecture on “Theosophy and the Conservation of Energy.” This lecture is printed in another column. The Rev. W. Stainton-Moses, M.A., presided. Mr. Fitz-Gerald illustrated his address by several experiments. He ignited a little pyroxyline in his hands, and, when it disappeared in a flash of flame, he explained that its atoms had not been destroyed; that they were imperishable; that they were floating invisibly in the air in other forms of chemical combination, and that science was able to prove it. In stating that Spiritualists did not believe in the infraction of the law of gravitation in levitation phenomena, but that some other forces came into play to counteract it, he caused an electro-magnet to make a lump of soft iron rise through the air in opposition to the force of gravitation, although nothing visible was touching the metal. He next explained that as matter was indestructible, so was force never lost; it could but be transformed. The work done by his assistants in turning the handle of a Wyld’s magneto-electric machine was transformed into electricity, which in its turn was made to tear asunder the particles of oxygen and hydrogen gases of which water consists; but again the power was not lost, for it was stored up in the gases from the water which he collected in a soda-water bottle. When he ignited these gases, the energy became once more sensible in the form of light and explosive sound. Thus energy was transformable, but indestructible. He then argued that certain opinions held by Theosophists were opposed to the law of the conservation of energy. Dr. Carter Blake, Mr. G. R. Tapp, Mr. Henly, and others, took part in the discussion. | ||
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<gallery widths=300px heights=300px> | |||
london_spiritualist_n.300_1878-05-24.pdf|page=8|London Spiritualist, No. 300, May 24, 1878, p. 246 | |||
</gallery> |