{"version":"1.0","provider_name":"Webshop Nationaal Geografisch Instituut","provider_url":"https:\/\/shop.ngi.be\/nl\/","author_name":"G\u00e8rard","author_url":"https:\/\/shop.ngi.be\/nl\/author\/gerard-frere\/","title":"Topografische kaarten Vandermaelen (1846-1854) - Webshop Nationaal Geografisch Instituut","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"suk6CGnyuj\"><a href=\"https:\/\/shop.ngi.be\/nl\/historische-kaarten\/topografische-kaarten-vandermaelen-1846-1854\/\">Topografische kaarten Vandermaelen (1846-1854)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/shop.ngi.be\/nl\/historische-kaarten\/topografische-kaarten-vandermaelen-1846-1854\/embed\/#?secret=suk6CGnyuj\" width=\"600\" height=\"338\" title=\"&#8220;Topografische kaarten Vandermaelen (1846-1854)&#8221; &#8212; Webshop Nationaal Geografisch Instituut\" data-secret=\"suk6CGnyuj\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/shop.ngi.be\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Philippe Vandermaelen was een autodidactische cartograaf die in de jaren 1820 reeds een universele en Europese atlas uitgaf. In 1830 richtte hij het \u00c9tablissement g\u00e9ographique de Bruxelles op en met de Belgische onafhankelijkheid gooide hij zich meteen op kaarten van Belgi\u00eb.","thumbnail_url":"https:\/\/shop.ngi.be\/wp-content\/uploads\/2025\/06\/vandermael-long-20-000-13-15-Charleroy-AR.png","thumbnail_width":1100,"thumbnail_height":400}