{"version":"1.0","provider_name":"C-Know Media","provider_url":"https:\/\/www.cknow.com\/cms","title":"The Original Keyboard - C-Know Media","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"LOPDEBuDcX\"><a href=\"https:\/\/www.cknow.com\/cms\/tutcom\/the-original-keyboard.html\">The Original Keyboard<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.cknow.com\/cms\/tutcom\/the-original-keyboard.html\/embed#?secret=LOPDEBuDcX\" width=\"600\" height=\"338\" title=\"&#8220;The Original Keyboard&#8221; &#8212; C-Know Media\" data-secret=\"LOPDEBuDcX\" 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.cknow.com\/cms\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"A tutorial that explains the original IBM keyboard (the keyboard with only 10 function keys on the left side). Below are the 23 screenshots that make up this tutorial. Click on each thumbnail to expand it and\/or move through all 23 (assuming you have JavaScript active for this site). Title screen: Notes on The PC [&hellip;]","thumbnail_url":"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/2-oldkey-001-300x145.png"}