{"id":86713,"date":"2025-06-05T13:31:14","date_gmt":"2025-06-05T11:31:14","guid":{"rendered":"https:\/\/www.librairieclavreuil.com\/chladni-ernst-florens-friedrich-traite-dacoustique\/"},"modified":"2025-08-27T11:15:36","modified_gmt":"2025-08-27T09:15:36","slug":"chladni-ernst-florens-friedrich-traite-dacoustique","status":"publish","type":"product","link":"https:\/\/www.librairieclavreuil.com\/en\/chladni-ernst-florens-friedrich-traite-dacoustique\/","title":{"rendered":"CHLADNI Ernst Florens Friedrich Trait\u00e9 d&#8217;acoustique."},"content":{"rendered":"<p style=\"text-align:justify\"><i>Roberts &amp; Trent, p. 71; DSB, III, 259. See PMM, 233b; Sparrow, 38; Norman, 481; Dibner, 150 (for the first edition 1802).<\/i><\/p>\n<p style=\"text-align:justify\"><span style=\"font-variant:small-caps\">First edition of the French translation. Copy having belonged to Lac\u00e9p\u00e8de.<\/span><\/p>\n<p style=\"text-align:justify\">Chladni (1756-1827) is considered the father of modern acoustics. He was the first to establish the general relationship between vibration frequency and pitch in the form of a table, thus laying the foundations for modern acoustics. His experiments, in which he placed sand on metal or glass plates and then vibrated them with a bow, yielded astonishing results. The sand settled into different geometric shapes depending on the vibrations of the plates. These shapes are still known today by the name of their famous inventor, \u2018Chladni figures\u2019.<\/p>\n<p style=\"text-align:justify\">This French translation is entirely due to Chladni himself, who undertook it at the request of Napoleon I after the Emperor invited him to give a demonstration of his famous \u201cacoustic figures\u201d in Paris. Chladni&#8217;s studies were highly appreciated by his contemporaries and he exerted a strong influence on the research into the theory of elastic surfaces by the famous mathematician Sophie Germain.<\/p>\n<p style=\"text-align:justify\">The plates illustrate a variety of geometric shapes obtained during the experiments.<\/p>\n<p style=\"text-align:justify\">&#8220;Chladni demonstrated his patterns publicly in Paris in 1809 and was asked to repeat his performance for Napoleon, who then authorized the funds necessary for the translation and publication of <i>Die Akustik<\/i> into French. Chladni himself did the work of translation. The work was reviewed and the report signed by Prony, who discusses it in his <i>Le\u00e7ons de m\u00e9canique analytique<\/i>. Chaldni\u2019s work was also noted in Poisson\u2019s <i>M\u00e9moire de l\u2019\u00e9lasticit\u00e9 des corps solides<\/i>, and inspired a series of studies by Sophie Germain in mathematical theory of elastic surfaces\u201d (Roberts &amp; Trent).<\/p>\n<p style=\"text-align:justify\">&#8220;Chladni, professor of physics in Breslau, was the first to reduce the general association between vibration and pitch to a tabular basis and thus to lay the foundation of the modern science of acoustics. His first results were reported in \u2018New Discoveries in the Theory of Sound&#8217;, 1787, and were greatly enlarged in \u2018Acoustics&#8217;, 1802. He spread sand on plates made of metal and glass, which were fixed in clamps. He then applied a violin bow to the edge of each plate and recorded the patterns produced thereby in the sand. These figures are still known by Chladni&#8217;s name&#8221; (Printing &amp; the Mind of Man).<\/p>\n<p style=\"text-align:justify\">&#8220;Except for a few publications on meteorites, Chladni devoted his research to the study of acoustics and vibration. He first described his early experiments using the sand figures in <i>Endeckunger \u00fcber die Theorie des Klanges<\/i>. They were presented with additional observations in <i>Die Akustik<\/i>, which is also a general acoustics text containing very complete historical material. This appeared in French translation in 1809 (<i>Trait\u00e9 d&#8217;acoustique<\/i>) in which he gives an autobiographical summary in the introduction&#8221; (DSB III p. 258).<\/p>\n<p style=\"text-align:justify\"><span style=\"font-variant:small-caps\">Important scientific provenance<\/span><\/p>\n<p style=\"text-align:justify\">Chladni offered this copy to his colleague, Count \u00c9tienne de Lac\u00e9p\u00e8de (1756-1825), senator, peer of France, and naturalist, as evidenced by the autograph note on the title page: \u201cTo His Excellency Mr. Count de Lac\u00e9p\u00e8de. Tribute from the author.\u201d<\/p>\n<p style=\"text-align:justify\">Lac\u00e9p\u00e8de, author of <i>Po\u00e9tique sur la musique<\/i> (Paris, 1783), began his scientific career under Buffon&#8217;s guidance at the Jardin du Roi in 1785. Highly regarded by Buffon, Lac\u00e9p\u00e8de was considered by his famous patron to be his successor. Another celebrity at the Jardin du Roi, Louis Jean-Marie Daubenton (1716-1799), &#8220;very absorbed by his teaching at the Coll\u00e8ge de France, delegated his lectures at the Museum to his assistant, so that when the Museum was reorganized at the end of 1794, Lac\u00e9p\u00e8de became the first holder of the newly formed chair of ichthyology and herpetology, which still exists today&#8221; (Napoleon.org).<\/p>\n<p style=\"text-align:justify\">Other provenance : Jesuit college (library label on inner-cover, as well as rubber stamp and number on title).<\/p>\n<p style=\"text-align:justify\">Small occasional marginal waterstain in a few leaves, otherwise a very fine copy of important scientific provenance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align:justify\">8vo (192 x 120 mm) 2 nn.ll., XXVIII, 375 pp, 8 engraved folding plates. Contemporary 3\/4 calf, flat spine gilt, lettering piece in black morocco.<\/p>\n","protected":false},"featured_media":86702,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[550],"product_tag":[1264,568,1315],"class_list":{"0":"post-86713","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-science","7":"product_tag-inscription","8":"product_tag-music","9":"product_tag-science","10":"pa_auteur-chladni-ernst-florens-friedrich-2","11":"pa_type-de-livre-printed-book","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"acf":{"artist":" Ernst Florens Friedrich CHLADNI","chapeau":"Important association copy inscribed to Count \u00c9tienne Lac\u00e9p\u00e8de","adresse_bibliographique":"Paris, Courcier, 1809","book_type":"Printed book","provenance":"","afficher_prix":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CHLADNI Ernst Florens Friedrich Trait\u00e9 d&#039;acoustique. - Libairie Clavreuil<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.librairieclavreuil.com\/en\/chladni-ernst-florens-friedrich-traite-dacoustique\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CHLADNI Ernst Florens Friedrich Trait\u00e9 d&#039;acoustique. - Libairie Clavreuil\" \/>\n<meta property=\"og:description\" content=\"8vo (192 x 120 mm) 2 nn.ll., XXVIII, 375 pp, 8 engraved folding plates. 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