{"version":"1.0","provider_name":"LEOPEDIA EDITORIAL SYSTEM","provider_url":"https:\/\/www.leo-computers.org.uk\/leopedia.org","author_name":"LEO editor","author_url":"https:\/\/www.leo-computers.org.uk\/leopedia.org\/author\/vince\/","title":"B - LEOPEDIA EDITORIAL SYSTEM","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"4JkExUMRTN\"><a href=\"https:\/\/www.leo-computers.org.uk\/leopedia.org\/b\/\">B<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.leo-computers.org.uk\/leopedia.org\/b\/embed\/#?secret=4JkExUMRTN\" width=\"600\" height=\"338\" title=\"&#8220;B&#8221; &#8212; LEOPEDIA EDITORIAL SYSTEM\" data-secret=\"4JkExUMRTN\" 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:\/\/www.leo-computers.org.uk\/leopedia.org\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Beck, Arnold, (194)\u00a0Oral History,\u00a0Electronic Engineer, interviewed by William Asprey of the Charles Babbage Institute, describes working for Standard Telephone and Cables in the late 1940s on designing thermionic valves for Lyons and EDSAC which failed.\u00a0Asked why they failed he notes \u201cMainly because it wasn&#8217;t reliable enough. I don&#8217;t want to make excuses, but when development [&hellip;]"}