https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997862Edit ImageSaveSaveEditCropCustom TextRefined gelatine : a pure and economical substitute for Russian isinglass : forming a colourless jelly, which possesses all the properties of the best calves' feet jelly : directions for use.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 769 x 1200 px | 300 dpiLarge JPEG 2242 x 3500 px | 300 dpiBest Quality JPEG 3598 x 5617 px | 300 dpiFree DownloadRefined gelatine : a pure and economical substitute for Russian isinglass : forming a colourless jelly, which possesses all the properties of the best calves' feet jelly : directions for use.More