{"version":"1.0","provider_name":"Daniel Crouch Rare Books","provider_url":"https:\/\/crouchrarebooks.com\/zh-hans\/","title":"Charting the Unfathomable Sky","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"x36UmJRS6b\"><a href=\"https:\/\/crouchrarebooks.com\/zh-hans\/videos\/charting-the-unfathomable-sky\/\">Charting the Unfathomable Sky<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/crouchrarebooks.com\/zh-hans\/videos\/charting-the-unfathomable-sky\/embed\/#?secret=x36UmJRS6b\" width=\"600\" height=\"338\" title=\"\u300a Charting the Unfathomable Sky \u300b\u2014Daniel Crouch Rare Books\" data-secret=\"x36UmJRS6b\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/crouchrarebooks.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/crouchrarebooks.com\/wp-content\/uploads\/2025\/01\/hqdefault-13.jpg","thumbnail_width":480,"thumbnail_height":360,"description":"A monumental Chinese celestial chart Huntian yitong xingxiang quantu, one of the largest planispheres published during the Qing dynasty (1636-1912). The work combines both Chinese and Western astronomy, highlights the fundamental role that knowledge of the heavens played in Chinese politics, and illustrates the Qing dynasty\u2019s endeavours to seek authentic truth in ancient texts."}