1622 Barry Manor Map In 1618 a surveyor called Evans Mouse was employed to make a detailed map of the Vale of Glamorgan. Evans Mouse is presumed to be a Welshman and the maps he produced in 1622 are the earliest and best manorial maps to survive in Wales. The maps are drawn in ink and watercolour on parchment and have a scale of about 50cm to a mile and they are incredibly detailed. The Ordnance survey maps began mapping… Read more.