https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966159Edit ImageSaveSaveEditCropCustom TextA flying boat devised by Franciscus Lana, with sails and balloons attached to it, and with three men as passengers. Engraving after J.C. Sturm, 1789.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 701 x 1200 px | 300 dpiLarge JPEG 2031 x 3478 px | 300 dpiFree DownloadA flying boat devised by Franciscus Lana, with sails and balloons attached to it, and with three men as passengers. Engraving after J.C. Sturm, 1789.More