(1778-1829) English chemist. Experimented with nitrous oxide (laughing gas) and discovered and described its effect on the human system, made researches on marsh gas which led to the invention of his safety lamp, made investigations with the electrolysis of water which resulted in his identification of affinity with electricity, decomposed alkalis by electricity, definitely established the fact that alkaline earths were compounds, and discovered that oxymuriatic acid (chlorine) was an element.
This dictionary contains not only definitions and explanations of every subject in Religion, Scripture, tradition, doctrine, morals, sacraments, rites, customs, devotions and symbolism, but also accounts of the Church in every continent, country, diocese; missions, notable Catholic centers, cities, and places with religious names; religious orders, church societies, sects and false religions. It has brief articles also on historical events and personages, on the Old Testament and New, and on popes, prelates, priests, men and women of distinction, showing what the Church has done for civilization and correcting many errors which have hitherto passed for history.Wikipedia
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