Orrery demonstrating the transit of Venus Size:Large: 7 x 5in Cecil Clifford Dobell was elected

Cecil Clifford Dobell was elected a Fellow of the Royal Society in 1918

knife-grinder

Botanical studies of Indian hemp

Half-length portrait of Weldon

View of the proposed St Katharine's Dock

Orrery demonstrating the transit of Venus Size:Large: 7 x 5in Cecil Clifford Dobell was electedOrrery demonstrating the transit of Venus, with case. An orrery is a mechanical device demonstrating the relative positions and motions of planets and moons in the solar system. This example was made for the Royal Society to show the transit of Venus across the sun as seen from the Earth. When the handle is turned, Venus rotates around the Sun. 1761