https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14001523Edit ImageSaveSaveEditCropCustom TextChaulmoogra oil factory of Prasana Kumar Sen, Chittagong. Photograph by J.F. Rock, 1921.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 826 px | 300 dpiLarge JPEG 3288 x 2264 px | 300 dpiFree DownloadChaulmoogra oil factory of Prasana Kumar Sen, Chittagong. Photograph by J.F. Rock, 1921.More