{"version":"1.0","provider_name":"Otemuseum","provider_url":"https:\/\/www.otegroupmuseum.gr\/en\/","title":"When Messages Traveled by Air: The Pneumatique - Otemuseum","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"7XUR6w9EVE\"><a href=\"https:\/\/www.otegroupmuseum.gr\/en\/discover\/mt-stories\/when-messages-traveled-by-air-the-pneumatique\/\">When Messages Traveled by Air: The Pneumatique<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.otegroupmuseum.gr\/en\/discover\/mt-stories\/when-messages-traveled-by-air-the-pneumatique\/embed\/#?secret=7XUR6w9EVE\" width=\"600\" height=\"338\" title=\"&#8220;When Messages Traveled by Air: The Pneumatique&#8221; &#8212; Otemuseum\" data-secret=\"7XUR6w9EVE\" 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.otegroupmuseum.gr\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.otegroupmuseum.gr\/wp-content\/uploads\/2026\/03\/MT-Stories-New-Templates_26_banner.png","thumbnail_width":1917,"thumbnail_height":1042,"description":"The invention of the electric telegraph in the 1840s created new expectations for faster communication. Although the telegraph virtually eliminated time and space, as messages could now travel at unprecedented speed, once a telegram arrived at the telegraph office it was up to the messenger to deliver it to the final recipient using the traditional [&hellip;]"}