Leadbetter, Charles, Mechanick Dialling; or, the New Art of Shadows, Freed from the Many Obscurities, Superfluities and Errors of former Writers upon this Subject, Thomas Caslon 1773

xii + 148 pages, 13 engraved plates (2 fold-out). Pastedowns grazed, prelims. soiled at extremities; foxing to extremities throughout. In a nineteenth-century full brown calf binding with raised bands and red label, spotted in places. Period owner’s name at head of title page.