Apparatus to measure fluid expansion Size:L: 75 x 60cm Original is oil on artists

Original is oil on artists board 21

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Apparatus to measure fluid expansion Size:L: 75 x 60cm Original is oil on artistsLaboratory equipment intended to measure the expansion of fluids when heated. The apparatus consists of a retort resting upon a stand above a heat source, with a bulb thermometer to its right as viewed. A tube leads from the retort into a liquid filled bell jar with a body of gas (water or alcohol vapour) accumulating at the top. Plate 1 from the paper 'Essai experimental et analytique sur les lois de la dilatabilite des fluides elastiques et sur