Featured on PDR in the collection Views of the Tesseract (1904)

A series of images from Charles Howard Hinton's The Fourth Dimension (1904), a book all about the "tesseract" - a four-dimensional analog of the cube, the tesseract being to the cube as the cube is to the square. Hinton, a British mathematician and science fiction writer, actually coined the term "tesseract" which appears for the first time in his book A New Era of Thought (1888). We are not going to pretend to have given the time to his book to understand fully the concept behind these diagrams, but they are a fascinating series of images all the same (particular the coloured frontispiece featured above), and offer a glimpse into the theory of four-dimensional space which would prove so important to the development of modern…