https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/429694Edit ImageSaveSaveEditCropCustom TextAuguste Lanteigne proposes a system of airship navigation utilizing a series of 16 balloons on a single keel. Original from Library of Congress. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 871 px | 300 dpiLarge JPEG 3500 x 2539 px | 300 dpiBest Quality JPEG 3760 x 2728 px | 300 dpiTIFF 3760 x 2728 px | 300 dpi | 58.72 MBFree DownloadAuguste Lanteigne proposes a system of airship navigation utilizing a series of 16 balloons on a single keel. Original from Library of Congress. Digitally enhanced by rawpixel.More