Method of observing the Sun at the Royal Observatory, Greenwich Product:Framed picture Constitution Hill

Constitution Hill

View of the Castle Tavern

a firm supporter of parliamentary reform

in a very early stage of pregnancy

'The Three R's

Method of observing the Sun at the Royal Observatory, Greenwich Product:Framed picture Constitution HillInterior view of a darkened chamber at the old Royal Observatory building, with a refracting telescope projecting an image of the Sun. The observatory was completed in 1676: in that year there were both solar eclipses and a transit of Mercury. Plate 3 (left half detail) from Ichnographia speculae Regiae Grenovici exquisite facta (London, 1676) a series of engravings commissioned by Sir Jonas Moore, the leading force in the construction and equipping