Scratch-Dials and Medieval Church Sundials; History and Relation to Scientific Sundials

A scarce first edition copy of this illustrated study of scratch-dials and medieval church sundials. The scarce first edition. In the publisher's original blue paper wraps. A work by T.W. Cole, providing a study on scratch-dials and medieval church sundials. A short scientific study, with sections such as a historical sketch, Saxon dials and scratch dials, medieval time system, behaviour of vertical dials with straight pointer, relation of scratch dials to scientific sundials, and general notes. With illustrations and diagrams throughout. In the publisher's original paper wraps. Externally, smart. Light sunning to edges, with the very small odd mark. Ink inscription to front wrap. Internally, firmly bound. Pages are bright and clean, with the odd spot. Very Good.