{"id":411,"date":"2007-04-02T15:11:15","date_gmt":"2007-04-02T14:11:15","guid":{"rendered":"http:\/\/www.lumen.nu\/rekveld\/wp\/?p=411"},"modified":"2019-08-24T21:59:09","modified_gmt":"2019-08-24T20:59:09","slug":"harmonic-curves-discussed-by-marey","status":"publish","type":"post","link":"https:\/\/www.joostrekveld.net\/?p=411","title":{"rendered":"harmonic writing by Marey"},"content":{"rendered":"<p><img decoding=\"async\" id=\"image412\" src=\"https:\/\/www.joostrekveld.net\/wp\/wp-content\/uploads\/2007\/04\/mareykoenig.jpg\" alt=\"mareykoenig.jpg\" \/><br \/>\nfrom page 116 of Etienne-Jules Marey, &#8220;Du Mouvement dans les Fonctions de la Vie: Le\u00e7ons faites au Coll\u00e8ge de France&#8221;, Bailli\u00e8re, Paris, 1878.<\/p>\n<p>Here Marey discusses a modification by M.Koenig of the method of visualizing curves by Lissajous; these patterns are produced by a vertical oscillation, a horizontal oscillation, and the horizontal translation of the surface these oscillations are recorded onto. The ratios for the curves above are: 1:1, 1:2, almost 1:2, 5:6, and 15:16. The 5:6 is amazing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>from page 116 of Etienne-Jules Marey, &#8220;Du Mouvement dans les Fonctions de la Vie: Le\u00e7ons faites au Coll\u00e8ge de France&#8221;, Bailli\u00e8re, Paris, 1878. Here Marey discusses a modification by M.Koenig of the method of visualizing curves by Lissajous; these patterns are produced by a vertical oscillation, a horizontal oscillation, and the horizontal translation of the &hellip; <a href=\"https:\/\/www.joostrekveld.net\/?p=411\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">harmonic writing by Marey<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":412,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,8],"tags":[],"class_list":["post-411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-books","category-umwelt"],"_links":{"self":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=411"}],"version-history":[{"count":1,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/411\/revisions"}],"predecessor-version":[{"id":2543,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/posts\/411\/revisions\/2543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=\/wp\/v2\/media\/412"}],"wp:attachment":[{"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joostrekveld.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}