A Reutter nickel Atmos, no 3258, 5 glasses, France circa 1930.
Nickel case, transparency through the five glasses. Clock with a silvered dial, Arabic numerals. On the back numbered 3258 and signature Brevet J.L. Reutter, S.G.D.G., made in Paris. Working: The Atmos clock contains a drum with an U-shaped tube containing mercury and a gas. Due to temperature changes a thermic 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 which causes the movement to roll permanently, we have a Pendule Perpétuelle. Retailer signature on the dial. Kirby Beard & Co Paris. The invention was the work of the French engineer Jean Leon Reutter. The clock is original and in a perfect working condition. Very exclusive in this Art Deco design.
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