{"version":"1.0","provider_name":"Landmark","provider_url":"https:\/\/boroughphotos.org\/lambeth","author_name":"lambeth2017","author_url":"https:\/\/boroughphotos.org\/lambeth\/author\/lambeth2017\/","title":"J.H.GREATHEAD - Landmark","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"de0Pnef1ce\"><a href=\"https:\/\/boroughphotos.org\/lambeth\/j-h-greathead\/\">J.H.GREATHEAD<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/boroughphotos.org\/lambeth\/j-h-greathead\/embed\/#?secret=de0Pnef1ce\" width=\"600\" height=\"338\" title=\"&#8220;J.H.GREATHEAD&#8221; &#8212; Landmark\" data-secret=\"de0Pnef1ce\" 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:\/\/boroughphotos.org\/lambeth\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/boroughphotos.org\/lambeth\/wp-content\/uploads\/2024\/04\/03570.jpg","thumbnail_width":879,"thumbnail_height":1339,"description":"Mr J. H. Greathead was the engineer involved in the &#8216;gigantic and intricate piece of engineering work&#8217; that resulted in the first electric railway of the City and South London Railway, later the Northern Line.\u00a0 He was amongst others present at the inaugural function where the Prince of Wales turned the key and started the [&hellip;]"}