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Objects

Heat exchanger

Heat exchanger for extracting chemical elements from natural organisms

• Date: 1960 – 1970

• Place of manufacture: Natural extraction laboratory of the CNRS, Gif-sur-Yvette (Essonne)

• Manufacturing technique: borosilicate glass, flat coils for the refrigerating unit (internal part), welded with a blowtorch and heated with the calandria (casing) on a glassmaker’s lathe.

• Dimensions: H : 79 ; Ø max : 35

• Collection: Coll. private

• Credit: © Lucie Nicolas / Ecomusée de l’Avesnois

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