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The Chinese Building and Rotunda in Ranelagh Gardens
'The brilliancy of Venus [top left of image] was a spectacle which was naturally contemplated as in harmony with the rest of the day
1801) Inscribed below the image: 'W
'The Coffee-house Politicians'
Figure 1 'The Bull-Beetle
An otheoscope Product:Framed picture The Chinese Building and RotundaAn otheoscope with fixed vanes of oxidised copper and coloured disc above it. An instrument designed for measuring the mechanical effect of radiant energy, a modification of the radiometer. Mounted in a partial vacuum, the central rotor spins when the vanes are exposed to light. Chemist William Crookes (1832 1919) initially believed the vanes with black surfaces were pushed around by pressure from light radiation. This was incorrect and other theories
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