https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9976032Edit ImageSaveSaveEditCropCustom TextVarious air balloons and airships. Draving from the Brockhaus and Efron Encyclopedic Dictionary, 1890-1907Original public domain image from Wikimedia CommonsMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 743 x 1200 px | 300 dpiLarge JPEG 1624 x 2624 px | 300 dpiFree DownloadVarious air balloons and airships. Draving from the Brockhaus and Efron Encyclopedic Dictionary, 1890-1907More