Ambrose William Warren's Aeronautics (1818). Original public domain image from Wikimedia Commons. Digitally enhanced by… https://www.rawpixel.com/image/8627473/image-art-vintage-public-domainFree Image from public domain licenseJoseph Clement's png Aeronautics, vintage illustration on transparent background. Remastered by rawpixel https://www.rawpixel.com/image/8638022/png-art-stickerView licenseTechnical illustration shows early balloon designs: "Lana's aeronautic machine," "Montgolfiers' balloon," "Blanchard's… https://www.rawpixel.com/image/7666157/image-art-vintage-balloonFree Image from public domain licenseJoseph Clement's Aeronautics, vintage collage elements psd. Remastered by rawpixel https://www.rawpixel.com/image/8638014/psd-vintage-illustration-people-collage-elementView licenseJoseph Clement's Aeronautics, vintage illustration. Remastered by rawpixel https://www.rawpixel.com/image/8638030/image-vintage-illustration-people-collage-elementView license