{"version":"1.0","provider_name":"Between Heritage and Sustainability","provider_url":"https:\/\/research.kent.ac.uk\/housesofparliament","author_name":"Between Heritage and Sustainability","author_url":"https:\/\/research.kent.ac.uk\/housesofparliament","title":"Continued Evolution - Between Heritage and Sustainability - Research at Kent","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"vqY6ihdQ6r\"><a href=\"https:\/\/research.kent.ac.uk\/housesofparliament\/2017\/09\/14\/continual-evolution\/\">Continued Evolution<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/research.kent.ac.uk\/housesofparliament\/2017\/09\/14\/continual-evolution\/embed\/#?secret=vqY6ihdQ6r\" width=\"600\" height=\"338\" title=\"&#8220;Continued Evolution&#8221; &#8212; Between Heritage and Sustainability\" data-secret=\"vqY6ihdQ6r\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/research.kent.ac.uk\/housesofparliament\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/research.kent.ac.uk\/housesofparliament\/wp-content\/uploads\/sites\/1907\/2019\/02\/Parliament-e1551185580344.jpg","thumbnail_width":3071,"thumbnail_height":2047,"description":"From the time of its introduction in the mid-nineteenth century up until its decommissioning in the 1940s, the Victorian ventilation system underwent significant alterations, which were underpinned by various scientific studies (see also section 4). The first systems deployed inside the two debating chambers were only short-lived. Barry\u2019s system, introduced in the House of Lords [&hellip;]"}