S Sal Ammoniac, Synthesis of, by Priestley, 186. Scheele, an independent discoverer of Oxygen, 206; discovers Chlorine, 211. Schimmelpenninck’s, Mrs, account of Priestley, 96. Seddon, John, 34, 42. Shelburne, Lord (Marquis of Lansdowne), 82. Silicon Fluoride, Priestley’s preparation of, 198; its decomposition by water, 199. Soda-water, invention of, 77. Sound in Air, 211. Sozzini, Fausto, 69, 108. Stahl, author of the hypothesis of phlogiston, 222. Sulphur dioxide (Vitriolic Acid Air), Priestley’s discovery of, 190. Sulphurated inflammable air (sulphuretted hydrogen), Priestley’s isolation of, 218. Sulphuretted hydrogen, Priestley’s isolation of, 218. T Taylor, Dr John, of Norwich, 36. Theological Repository, the, 68, 105. Turner, Matthew, teacher of chemistry at the Warrington Academy, 51, 76. V Vegetation, relation of to Air, Priestley’s discovery of, 178, 208. Vitriolic Acid Air (sulphur dioxide), Priestley’s isolation of, 189. W Warrington Academy, the, 33 _et seq._ Water Controversy, the, 97. Watt, James, his connection with the Lunar Society, 94; discovery of Composition of Water, 97. Wedgwood, Josiah, his friendship for Priestley, 55, 83, 137. Wilkes and Liberty, Priestley’s pamphlet on, 73, 152. Wilkinson, John, 48, 138. Wilkinson, Mary (Mrs Priestley), 49, 158; Madame Belloc’s account of her, 49. Withering, Dr, 94, 101, 148. Wordsworth, William, his admiration of Mrs Barbauld’s literary work, 46. _Colston & Coy. Limited, Printers, Edinburgh._ Transcriber’s Notes --Retained publication information from the printed edition: this eBook is public-domain in the country of publication. --Created cover and spine images based on elements in the book. --Silently corrected a few palpable typos. --In the text versions only, text in italics is delimited by _underscores_. End of Project Gutenberg's Joseph Priestley, by Thomas Edward Thorpe