Description
much to the amusement of the men near by
the print is embossed 'Charles Spencer
1937 Ford V8 model 78 Club Cabriolet
St Saviour's workhouse and the Rockingham Arms Inn
An otheoscope Size:L: 80 x 60cm much to the amusement ofAn 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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