The Octagon Room at the Royal Observatory in the 1670s – all credit to http://www.royalobservatorygreenwich.org/ for this wonderful image
The Octagon Room at the Royal Observatory in the 1670s
Home » » The Octagon Room at the Royal Observatory in the 1670s
![The Octagon Room at the Royal Observatory in the 1670s The Octagon Room at the Royal Observatory in the 1670s](https://londonsashwindows.com/wp-content/uploads/2017/05/Greenwich-Observatory-1675-1024x755.jpg)
The Octagon Room at the Royal Observatory in the 1670s - all credit to http://www.royalobservatorygreenwich.org/ for this wonderful image