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هل كتاب «A Treatise on Electricity Wherein its various phænomena are accounted for, and the cause of the attraction and gravitation of solids, assigned. To which is added, a short account, how the electrical effluvia act upon the animal frame, and in what disorders the same may probably be applied with success, and in what not.» مجاني؟
نعم. كتاب «A Treatise on Electricity Wherein its various phænomena are accounted for, and the cause of the attraction and gravitation of solids, assigned. To which is added, a short account, how the electrical effluvia act upon the animal frame, and in what disorders the same may probably be applied with success, and in what not.» لـFrancis Penrose في الملكية العامة ومتاح مجاناً من Project Gutenberg، أقدم مكتبة رقمية مجانية في العالم.
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