https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/429653Edit ImageSaveSaveEditCropCustom TextIllustration by an American engineer and inventor, Robert Fulton (1765-1815), of cock cavity and wheel details for Plunging Boat for the United States government. Original from Library of Congress. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 694 px | 300 dpiLarge JPEG 3414 x 1974 px | 300 dpiTIFF 3414 x 1974 px | 300 dpi | 38.59 MBFree DownloadIllustration by an American engineer and inventor, Robert Fulton (1765-1815), of cock cavity and wheel details for Plunging Boat for the United States government. Original from Library of Congress. Digitally enhanced by rawpixel.More