Copper engraving, 18 x 12 cm, recent hand-colour, b/w strip-maps on verso. A map of Radnorshire engraved by Emanuel Bowen for John Owen’s “Britannia Depicta”, a pocket road book derived from Ogilby’s innovative atlas of strip maps first published in 1675. Bowen & Owens’s work first appeared in 1720 and proved extremely popular; there were numerous editions over the next forty years.