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hammer which rings a bell. Merryweather referred to the leeches as his "jury of philosophical councilors", suggesting that the more of the leeches that climbed, and the more the bell was rung, the greater the likelihood of a storm. He explained that the twelve bottles were placed in a circle in order
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In 1832 George wrote his first essay "The means of maintaining uniform temperature and supporting fire without the agency of wood or coal". He invented the "Platina Lamp", which was described to "keep burning for a fortnight on an economical mixture of pure
52:—a weather predicting device also called "The Leech Barometer". It consists of twelve glass bottles containing leeches, which, when disturbed by the atmospheric conditions preceding a storm, climb upwards, triggering a small
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After the success of the
Tempest Prognosticator at the Great Exhibition, Merryweather tried to persuade the British government to install his device at ports around the British coast. However, the government and the
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that his "little comrades" might see one another and "not endure the affliction of solitary confinement".
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The invention had great success and caused a sensation when it was put on show at the
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135:. Cambridge University Press. 28 February 2013. pp. 169–224.
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Predicting the
Weather: Victorians and the Science of Meteorology
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Modern science considers
Merryweather's methods underlying the "
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was a
British doctor and inventor, known for inventing the
282:The Tempest Prognosticator at The Victorian Web
95:In 1835 Merryweather finished studying in MD
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251:Roth (PhD.), Manfred; Dobos, Gustav (2007).
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228:. 18 April 2024. Archived from
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133:The Nautical Magazine for 1832
91:Career as a doctor of medicine
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208:". Accessed 22 January 2007.
199:London: The Great Exhibition
171:Anderson, Katharine (2005).
141:10.1017/cbo9781139410403.004
80:and weather charts instead.
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129:"JUNE, 1832. HYDROGRAPHY"
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