https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8786608Edit ImageSaveSaveEditCropCustom TextAn Early Telescope. A man is looking through a telescope, the parts of which are lettered for further identification and discussion. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1050 px | 300 dpiLarge JPEG 2443 x 2138 px | 300 dpiFree DownloadAn Early Telescope. A man is looking through a telescope, the parts of which are lettered for further identification and discussion. Original public domain image from FlickrMore