1.0Tiles & Architectural Ceramics Society (TACS)https://tilesoc.org.uk/tacsadminhttps://tilesoc.org.uk/tacs/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="cuENbPMHns"><a href="https://tilesoc.org.uk/tacs/videos/experimental-archaeology-and-medieval-tiles/">Protected: Experimental Archaeology and Medieval Tiles</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://tilesoc.org.uk/tacs/videos/experimental-archaeology-and-medieval-tiles/embed/#?secret=cuENbPMHns" width="600" height="338" title="“Protected: Experimental Archaeology and Medieval Tiles” — Tiles & Architectural Ceramics Society (TACS)" data-secret="cuENbPMHns" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://tilesoc.org.uk/tacs/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Speaker, Hans van Lemmen, President of TACS and author of many books about tiles, looks at what kind of tiles Escher designed in the 1950s and 60s, how they were made and where they were used.