Merlin's mechanical chair for the elderly or infirm: the design incorporates hand-cranks, wheels, gears and an adjustable… https://www.rawpixel.com/image/13970320/image-cartoon-hand-plantFree Image from public domain licenseFive men: Robert Burns, Richard Baxter, Francis Bacon, Judge Blackstone, and James Beattie. Engraving, 1811. https://www.rawpixel.com/image/13993658/image-cartoon-face-personFree Image from public domain licenseKing James I and VI, with four Scottish writers: Robert Burns, John Home, Allan Ramsay, and James Beattie. Engraving. https://www.rawpixel.com/image/13988372/image-cartoon-face-personFree Image from public domain licenseGregorio Fontana. Stipple engraving by G. Rados after R. Focosi. https://www.rawpixel.com/image/13971044/gregorio-fontana-stipple-engraving-rados-after-focosiFree Image from public domain licenseJesse Ramsden. Stipple engraving by C. Knight, 1803, after R. Home. https://www.rawpixel.com/image/13991711/jesse-ramsden-stipple-engraving-knight-1803-after-homeFree Image from public domain license