The well-illustrated articles in Observing the World through Images offer insights into the uses of images in astronomy, mathematics, instrument-making, medicine and alchemy, highlighting shared forms as well as those peculiar to individual disciplines. Themes addressed include: the processes of image production and communication; the transformation of images through copying and adaptation for new purposes; genres and traditions of imagery in particular scientific disciplines; the mnemonic and pedagogical value of diagrams; the relationship between text and image; and the roles of...