Madame du Barry and two servants demonstrate an experiment on electricity to a lady seated in a chair attended by two men.… https://www.rawpixel.com/image/13984359/image-cartoon-person-artFree Image from public domain licenseA boy drinks milk from the flask that a young woman has given him from her panier. Engraving by Giovanni Volpato after… https://www.rawpixel.com/image/14021764/image-dog-cartoon-personFree Image from public domain license