John Heaviside. Mezzotint by R. Earlom, 1803, after J. Zoffany. https://www.rawpixel.com/image/13991132/john-heaviside-mezzotint-earlom-1803-after-zoffanyFree Image from public domain license
John Heaviside. Coloured mezzotint by R. Earlom, 1803, after J. Zoffany. https://www.rawpixel.com/image/13978316/john-heaviside-coloured-mezzotint-earlom-1803-after-zoffanyFree Image from public domain license
John Heaviside. Coloured mezzotint by R. Earlom, 1803, after J. Zoffany. https://www.rawpixel.com/image/13987379/john-heaviside-coloured-mezzotint-earlom-1803-after-zoffanyFree Image from public domain license