https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14006683Edit ImageSaveSaveEditCropCustom TextSurveying: a theodolite made by Jesse Ramsden. Engraving by W. Lowry, 1819, after J. Farey.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 936 x 1200 px | 300 dpiLarge JPEG 2300 x 2948 px | 300 dpiFree DownloadSurveying: a theodolite made by Jesse Ramsden. Engraving by W. Lowry, 1819, after J. Farey.More