https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14016570Edit ImageSaveSaveEditCropCustom TextScenes inside the General Post Office at St Martin's-le-Grand, London. Wood engraving by J. Bell, 1875.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 846 px | 300 dpiLarge JPEG 3237 x 2283 px | 300 dpiFree DownloadScenes inside the General Post Office at St Martin's-le-Grand, London. Wood engraving by J. Bell, 1875.More