An early Reutter gilt brass Atmos, no 321, 5 glasses, France circa 1930.
Gilt brass case, transparency through the five glasses. Clock with an enameled dial, Roman numerals. On the back numbered 321.
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 there is a continuous oscillation which causes the movement to roll permanently, we have a Pendule Perpétuelle. 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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