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Appareil d'INGENHOUSZ pour l'étude de la conductibilité thermique des corp

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INGENHOUSZ apparatus for studying the thermal conductivity of bodies. Copper and brass vessel with five rods made of brass, copper, aluminum, iron and lead, and blackened wooden handle.
Early 20th century
8.5 x 33 x 17 cm
Cube by LESLIE, for studying the radiant heat of substances. Brass and adjustable wooden base.
Early 20th century
Min. height: 43.5 cm