{"version":"1.0","provider_name":"Fotograf in Luzern","provider_url":"https:\/\/evm.ch\/fotograf-in-luzern","author_name":"Erwin von Moos","author_url":"https:\/\/evm.ch\/fotograf-in-luzern\/author\/erwinvonmoos_sqs9mfl5\/","title":"Schwarzweiss &#8211; Fotograf in Luzern","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AJWrSKNRbv\"><a href=\"https:\/\/evm.ch\/fotograf-in-luzern\/black-white\/\">Black &#038; White<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/evm.ch\/fotograf-in-luzern\/black-white\/embed\/#?secret=AJWrSKNRbv\" width=\"600\" height=\"338\" title=\"&#8222;Black &#038; White&#8220; &#8211; Fotograf in Luzern\" data-secret=\"AJWrSKNRbv\" 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:\/\/evm.ch\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/i0.wp.com\/evm.ch\/wp-content\/uploads\/2019\/07\/Regula_Wolly.jpg?fit=2000%2C1002&ssl=1","thumbnail_width":2000,"thumbnail_height":1002,"description":"Schwarzweiss Fotos sind nicht nur Farbfotos ohne Farbe. Dahinter verbirgt sich eine spannende Geschichte, die die Welt ver\u00e4ndert hat. Die Geschichte der Silberfotografie begann 1839 mit der Daguerreotypie, dem ersten kommerziellen Verfahren, das auf lichtempfindlichem Silber beruhte. Bald darauf entwickelte William Talbot das Kalotypie-Verfahren (Negativ-Positiv-Prozess), das die Basis f\u00fcr moderne [&hellip;]"}