No, this is not an essay on the effects of overindulgence in the island of Islay’s most famous peaty export, though research on that topic might well be more stimulating than combing through newspaper articles. Rather it has its nascence in my time as a student, when I worked on developing the skills of naked eye stereopsis to explore three-dimensional structures from pairs of two-dimensional, computer-generated pictures. This fascinating trick is now redundant with modern computer graphics, but it harks back to another age, beginning in the 1850s, in the early days of photography, when stereophotography came into vogue. Scotland led the pack in its development. The history of the subject has been covered in a marvelous book. “Scotland in 3D,” by Peter Blair, (Reigate, 2018). My own small collection is mostly of Scottish maritime stereoviews, and one particular item is the subject of...