A nickel Atmos clock, J. L. Reutter, silvered dial, no. 8858, France ca. 1930.
Nickel case, transparency through the four glasses. Clock with a silvered dial, Arabic numerals. On the back signed ‘Brevet J.L. Reutter, S.G.D.G.’ and numbered 8858. Working: The Atmos clock contains a drum with an U-shaped tube containing mercury and a gas. Due to temperature changes a ‘thermics’ develops in the drum and causes the axle with the U-shaped tube to oscillate to and fro. Because of the continuous changes in temperature and atmospheric pressure there is a continuous oscillation witch causes the movement to roll permanently, we have a ‘Pendule Perpetuele’. The invention was the work of the French engineer Jean Léon Reutter. The clock is in a perfect condition. Very exclusive in this Art Deco design. HxWxD 23,5x18x14 cm. Price 14.500,--
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