' + '

Something went wrong

' + '

The app couldn\u2019t load. This is usually a temporary issue.

' + '' + '' + '

' + (errorMsg || '') + '

'; document.body.appendChild(div); document.getElementById('lex-cr-reload').onclick = function() { window.location.reload(); }; document.getElementById('lex-cr-clear').onclick = function() { try { // Nuke service workers if ('serviceWorker' in navigator) { navigator.serviceWorker.getRegistrations().then(function(regs) { regs.forEach(function(r) { r.unregister(); }); }); } // Nuke all caches if ('caches' in window) { caches.keys().then(function(names) { names.forEach(function(n) { caches.delete(n); }); }); } // Clear localStorage except auth var authBackup = localStorage.getItem('sb-lex-auth-token-backup'); var keys = []; for (var i = 0; i < localStorage.length; i++) keys.push(localStorage.key(i)); keys.forEach(function(k) { if (k && !k.startsWith('sb-') && k !== 'sb-lex-auth-token-backup') { localStorage.removeItem(k); } }); // Clear sessionStorage sessionStorage.clear(); } catch(e) {} setTimeout(function() { window.location.href = '/'; }, 200); }; } })();

Zones of stars observed at the United States Naval observatory with the meridan transit instrument in the years 1846, 1847, 1848, and 1849

Details

Find this book

Zones of stars observed at the United States Naval observatory with the meridan transit instrument in the years 1846, 1847, 1848, and 1849

Details

Find this book