Jaeger LeCoultre, Atmos Table Clock from 1974, Fullset with Box and Papers

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Jaeger LeCoultre, Atmos Table Clock from 1974, Fullset with Box and Papers

About the Item

Jaeger LeCoultre, Atmos table clock in full set with box and papers Switzerland Brass gold plated Year of manufacture 1974 Dimensions: H x W x D: 22 x 18 x 13.5 cm Description: Atmos V calibre 526 in gilt brass case. White full dial with Roman numerals and Breguet hands. Serial number: 420914 Reference number: 5832 Year of manufacture: 1974 Condition: The movement runs absolutely accurate and reliable. The case is in original condition with some light plaster wear to corners and edges commensurate with age. The box is in good condition commensurate with its age. Points of interest: Even though Leonardo da Vinci was able to prove that the production of a perpetual motion machine is physically impossible, it was nevertheless attempted again and again. This was also the case with Jean Leon Reuter, an engineer from Neuchâtel, who in 1928 invented the technology for a clock whose energy source is drawn from the surrounding air, from the atmosphere, so to speak. Since there were always problems with the clocks, the movements were manufactured by the company Le Coultre et Cie in Switzerland from 1933 onwards, and in 1935 the production rights for the Atmos clock were transferred to Ets. Ed. Jaeger. The technical principle of the movements then built by Jaeger LeCoultre from 1936 onwards is simply captivating: a mixture of a liquid and the gas ethyl chloride is contained in a hermetically sealed capsule. As the temperature rises, the mixture expands, and as the temperature falls, it contracts, causing a bellows in the pressure box located on the back of the watch to move like an accordion. This movement continuously winds the movement. In the range between 15 and 30°C, a change in temperature of just one degree Celsius is enough to supply the energy for about two days of operation. You will find interesting facts about the ATMOS from Jaeger LeCoultre in the specialist literature: Jean Lebet - Living on Air

Dimensions:
Height: 8.67 in (22 cm)Width: 7.09 in (18 cm)Depth: 5.12 in (13 cm)
Style:
Mid-Century Modern (Of the Period)
Materials and Techniques:
Brass
Place of Origin:
Switzerland
Period:
1970-1979
Date of Manufacture:
1974
Condition:
Wear consistent with age and use. The movement runs absolutely accurate and reliable. The case is in original condition with some light plaster wear to corners and edges commensurate with age. The box is in good condition commensurate with its age.
Seller Location:
Greven, DE
Reference Number:
1stDibs: LU5419230228672