The Octagon Room at the Royal Observatory, Greenwich witch In the background in the

In the background in the Duke of Edinburgh

'Valentine Rescuing Sylvia from Proteus'

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Earl of Arundel

The Octagon Room at the Royal Observatory, Greenwich witch In the background in theInterior view of the main observing room at the old Royal Observatory building, known as the star chamber or octagon room. The view shows three astronomers at work, one at a table making notes while two others use a quadrant (left) and a refracting telescope (right) to view the sky through open windows. At the back of the room are three inset clocks including (A and B) the pair of timekeeping instruments made by Thomas Tompion (1639 1713) for the