Virgin and Child with Saint John the Baptist and Mary Magdalene by Parmigianino Francesco Mazzola https://www.rawpixel.com/image/14264314/image-paper-face-handsFree Image from public domain licenseMathematics: details of a dividing engine for making mathematical instruments. Engraving by A. Bell. https://www.rawpixel.com/image/13963385/image-paper-person-patternFree Image from public domain licenseRight profile of head with depressed frontal lobes, divided up to show the location of all the lobes. Drawing, c. 1900. https://www.rawpixel.com/image/13962386/image-dog-cartoon-faceFree Image from public domain licenseAn astronomer and astrologer in his study, plotting points on a globe with a pair of dividers. Woodcut by J. Amman, 1568. https://www.rawpixel.com/image/13963610/image-cartoon-face-personFree Image from public domain licenseA head divided into 35 cells representing human faculties. Woodcut, 1888, after M. Mihara. https://www.rawpixel.com/image/14000148/image-paper-cartoon-faceFree Image from public domain license