Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. https://www.rawpixel.com/image/13958049/image-cloud-person-artFree Image from public domain licenseThe moon, viewed in oblique sunlight. Stipple engraving, 1806, by J. Russell. https://www.rawpixel.com/image/13955616/the-moon-viewed-oblique-sunlight-stipple-engraving-1806-russellFree Image from public domain licenseThe moon, viewed in oblique sunlight. Stipple engraving, 1806, by J. Russell. https://www.rawpixel.com/image/13953217/the-moon-viewed-oblique-sunlight-stipple-engraving-1806-russellFree Image from public domain licenseChocolate Cup and Saucer (Tasse gothique) by Royal Porcelain Manufactory and Jean Claude Rumeau https://www.rawpixel.com/image/11801534/photo-image-art-pattern-goldFree Image from public domain licenseSir William Herschel and Caroline Herschel. Colour lithograph by A. Diethe, ca. 1896. https://www.rawpixel.com/image/13953688/image-cartoon-person-bookFree Image from public domain licenseTwenty portraits of famous men. Engraving by J.W. Cook, 1825. https://www.rawpixel.com/image/14003946/twenty-portraits-famous-men-engraving-jw-cook-1825Free Image from public domain licenseAstronomy: a comet in the night sky. Wood engraving, ca. 1860. https://www.rawpixel.com/image/14020689/astronomy-comet-the-night-sky-wood-engraving-ca-1860Free Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13975701/image-person-art-clothingFree Image from public domain licenseSir William Herschel. Stipple engraving by E. Scriven after J. Russell. https://www.rawpixel.com/image/13982362/sir-william-herschel-stipple-engraving-scriven-after-russellFree Image from public domain licenseJohn Hunter, Edward Jenner, William Herschel and Humphry Davy. Engraving. https://www.rawpixel.com/image/13988925/john-hunter-edward-jenner-william-herschel-and-humphry-davy-engravingFree Image from public domain licenseSir William Herschel. Stipple engraving by T. Ryder after L. F. Abbott, 1785. https://www.rawpixel.com/image/14011358/sir-william-herschel-stipple-engraving-ryder-after-abbott-1785Free Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13981199/image-person-art-clothingFree Image from public domain licenseThe distinguished men of science 1807-8: a key to the identities of the sitters. Photograph of engraving by W. Walker, 1862… https://www.rawpixel.com/image/14011458/image-cartoon-face-personFree Image from public domain licenseSir William Herschel. Lithograph by J. Boilly after F. Rehberg, 1814. https://www.rawpixel.com/image/14006890/sir-william-herschel-lithograph-boilly-after-rehberg-1814Free Image from public domain license