https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13963372Edit ImageSaveSaveEditCropCustom TextPascal's experiment in the Puy de Dôme to test the relation between atmospheric pressure and altitude. Oil painting by Ernest Board.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 789 px | 300 dpiLarge JPEG 3300 x 2170 px | 300 dpiFree DownloadPascal's experiment in the Puy de Dôme to test the relation between atmospheric pressure and altitude. Oil painting by Ernest Board.More