US$ 99.00
Beach Scenes
from the Thames
The street is filled with horse drawn carriages
Miss Jones is the daughter of the Chief Ravensbourne at the Tower of London
An otheoscope mb-code 1237902 Beach ScenesAn 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
US$ 99.00
US$ 147.99
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US$ 129.00