https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/4547217Edit ImageSaveSaveEditCropCustom TextVintage chicken incubator drawing, hand drawn illustration. Digitally enhanced from our own original copy of The Open Door to Independence (1915) by Thomas E. Hill. MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 960 px | 300 dpiLarge JPEG 3500 x 2800 px | 300 dpiBest Quality JPEG 6250 x 5000 px | 300 dpiTIFF 6250 x 5000 px | 300 dpi | 178.84 MBFree DownloadVintage chicken incubator drawing, hand drawn illustration. Digitally enhanced from our own original copy of The Open Door to Independence (1915) by Thomas E. Hill. More