{"id":51436,"date":"2026-05-26T08:28:36","date_gmt":"2026-05-26T06:28:36","guid":{"rendered":"http:\/\/eosbooks.ch.w015255e.kasserver.com\/produkt\/summary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth\/"},"modified":"2026-05-26T08:28:36","modified_gmt":"2026-05-26T06:28:36","slug":"summary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth","status":"publish","type":"product","link":"https:\/\/www.eosbooks.ch\/en\/produkt\/summary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth\/","title":{"rendered":"Summary of some Theoretical Contributions by Dr. Balth Van der Pol and Dr. K.F. Niessen to the Problem of Propagation of Radiowaves over the Earth."},"content":{"rendered":"<p><span class=\"autor\">  <\/span>\u00a0<span class=\"titel\" style=\"font-size: 1em\">Summary of some Theoretical Contributions by Dr. Balth Van der Pol and Dr. K.F. Niessen to the Problem of Propagation of Radiowaves over the Earth.<\/span><span style=\"font-size: 1em\">  (Eindhoven), 1935. 8\u00b0. 11 p. Orig. wrappers. = &#8220;Laboratoria N.V. Philips&#8217; Gloeilampenfabrieken, Eindhoven (Holland)&#8221;, Separaat 963.<\/span><\/p>\n<p class=\"kommentar1\">Published in: Tijdschrift Van Het Nederlandsch Radiogenootschap 7. (Sprache: Englisch \/ English)<\/p>\n<p>+ Wichtig: F\u00fcr unsere Kunden in der EU erfolgt der Versand alle 14 Tage verzollt ab Deutschland \/ Postbank-Konto in Deutschland vorhanden +<\/p>\n<p>Frage zu diesem Artikel\/der Abbildung &#8211; <a href=\"mailto:orders@eosbooks.ch?subject=Eine Frage zu dem Artikel\/der Abbildung 25865AB\">Kontakt<\/a>?<br \/>\n<span class=\"schlagwort\">Naturwissenschaften \/ Natural History, Elektrotechnik \/ Electrotechnology, Mathematik &#8211; Algebra \/ Mathematics &#8211; Algebra, Physik \/ Physics, Radio &#8211; Fernsehen \/ Radio &#8211; Television<\/span><\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><div class=\"ShariffHeadline\"><hr><\/div><ul class=\"shariff-buttons theme-round orientation-horizontal buttonsize-medium\"><li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fwww.eosbooks.ch%2Fen%2Fprodukt%2Fsummary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth%2F\" title=\"Bei Facebook teilen\" aria-label=\"Bei Facebook teilen\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\"; background-color:#3b5998; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 18 32\"><path fill=\"#3b5998\" d=\"M17.1 0.2v4.7h-2.8q-1.5 0-2.1 0.6t-0.5 1.9v3.4h5.2l-0.7 5.3h-4.5v13.6h-5.5v-13.6h-4.5v-5.3h4.5v-3.9q0-3.3 1.9-5.2t5-1.8q2.6 0 4.1 0.2z\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fwww.eosbooks.ch%2Fen%2Fprodukt%2Fsummary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth%2F&text=Summary%20of%20some%20Theoretical%20Contributions%20by%20Dr.%20Balth%20Van%20der%20Pol%20and%20Dr.%20K.F.%20Niessen%20to%20the%20Problem%20of%20Propagation%20of%20Radiowaves%20over%20the%20Earth.\" title=\"Bei X teilen\" aria-label=\"Bei X teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#000; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path fill=\"#000\" d=\"M14.258 10.152L23.176 0h-2.113l-7.747 8.813L7.133 0H0l9.352 13.328L0 23.973h2.113l8.176-9.309 6.531 9.309h7.133zm-2.895 3.293l-.949-1.328L2.875 1.56h3.246l6.086 8.523.945 1.328 7.91 11.078h-3.246zm0 0\"\/><\/svg><\/span><\/a><\/li><li class=\"shariff-button linkedin shariff-nocustomcolor\" style=\"background-color:#1488bf\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fwww.eosbooks.ch%2Fen%2Fprodukt%2Fsummary-of-some-theoretical-contributions-by-dr-balth-van-der-pol-and-dr-k-f-niessen-to-the-problem-of-propagation-of-radiowaves-over-the-earth%2F\" title=\"Bei LinkedIn teilen\" aria-label=\"Bei LinkedIn teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#0077b5; color:#fff\" target=\"_blank\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 27 32\"><path fill=\"#0077b5\" d=\"M6.2 11.2v17.7h-5.9v-17.7h5.9zM6.6 5.7q0 1.3-0.9 2.2t-2.4 0.9h0q-1.5 0-2.4-0.9t-0.9-2.2 0.9-2.2 2.4-0.9 2.4 0.9 0.9 2.2zM27.4 18.7v10.1h-5.9v-9.5q0-1.9-0.7-2.9t-2.3-1.1q-1.1 0-1.9 0.6t-1.2 1.5q-0.2 0.5-0.2 1.4v9.9h-5.9q0-7.1 0-11.6t0-5.3l0-0.9h5.9v2.6h0q0.4-0.6 0.7-1t1-0.9 1.6-0.8 2-0.3q3 0 4.9 2t1.9 6z\"\/><\/svg><\/span><\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>\u00a0Summary of some Theoretical Contributions by Dr. Balth Van der Pol and Dr. K.F. Niessen to the Problem of Propagation of Radiowaves over the Earth. (Eindhoven), 1935. 8\u00b0. 11 p. Orig. wrappers. = &#8220;Laboratoria N.V. Philips&#8217; Gloeilampenfabrieken, Eindhoven (Holland)&#8221;, Separaat 963. Published in: Tijdschrift Van Het Nederlandsch Radiogenootschap 7. (Sprache: Englisch \/ English) + Wichtig: [&hellip;]<\/p>\n","protected":false},"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[790],"product_tag":[],"class_list":["post-51436","product","type-product","status-publish","product_cat-naturwissenschaften-natural-history","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/product\/51436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/comments?post=51436"}],"wp:attachment":[{"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/media?parent=51436"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/product_brand?post=51436"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/product_cat?post=51436"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.eosbooks.ch\/en\/wp-json\/wp\/v2\/product_tag?post=51436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}