https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14001513Edit ImageSaveSaveEditCropCustom TextAstronomy: a large observatory telescope at Hartwell House, with an astronomer using a transit telescope. Engraving by James Basire.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 836 x 1200 px | 300 dpiLarge JPEG 2163 x 3105 px | 300 dpiFree DownloadAstronomy: a large observatory telescope at Hartwell House, with an astronomer using a transit telescope. Engraving by James Basire.More