Method of observing the Sun at the Royal Observatory, Greenwich Product:Framed picture sitting on the grass

sitting on the grass

In June 1858

Constitution Hill

January 28

'The Three R's

Method of observing the Sun at the Royal Observatory, Greenwich Product:Framed picture sitting on the grassInterior 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