https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971876Edit ImageSaveSaveEditCropCustom TextElements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 699 px | 300 dpiLarge JPEG 1834 x 1069 px | 300 dpiFree DownloadElements of agricultural chemistry, in a course of lectures for the Board of Agriculture / By Sir Humphry Davy.More