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The drawing is framed by a formal border, confirming its status as complete. Black crosses, labelled Brinkworth and Purton, indicate points from which the surveyor took angular measurements. Bury Hill Camp and Ringsbury Camp, both iron-age hillforts, are indicated by soft interlining and loosely rendered concentric rings.
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This drawing covers the counties of Gloucestershire, Oxfordshire and Wiltshire, with their boundaries indicated by pecked lines. The Roman road to Bath is tinted yellow to highlight it as a major communication route. A dotted line leading from Sapperton indicates the Sapperton Tunnel, which was opened in 1789. Linked to the Thames and Severn Canal, it was, at that time, the longest tunnel in England. The Sapperton Tunnel enabled boats carry coal cheaply to Cirencester from mines in the north and west. Several trigonometrical points are marked by dots within circles. These were points from which the surveyor took angular measurements to determine the relative locations of prominent features of the landscape.
Metcalf, Edward B.
This is a map of Wiltshire by Christopher Saxton which dates from 1576. It forms part of an atlas that belonged to William Cecil Lord Burghley, Elizabeth I’s Secretary of State. Burghley used this atlas to illustrate domestic matters. This map is actually a proof copy of one which forms part of Christopher Saxton’s Atlas of England and Wales. This atlas was first published as a whole in 1579. It consists of 35 coloured maps depicting the counties of England and Wales. The atlas is of great significance to British cartography as it set a standard of cartographic representation in Britain and the maps remained the basis for English county mapping, with few exceptions, until after 1750. During the reign of Elizabeth I, map use became more common, with many government matters referring to increasingly accurate maps with consistent scales and symbols, made possible by advances in surveying techniques. Illustrating the increasing use of maps in government matters, Lord Burghley, who had been determined to have England and Wales mapped in detail from the 1550s, selected the cartographer Christopher Saxton to produce a detailed and consistent survey of the country. The financier of the project was Thomas Seckford Master of Requests at the Court of Elizabeth I, whose arms appear, along with the royal crest on each map .Lord Burghley has added several place names to the map. This map was engraved by Remigius Hogenbergius, one of a team of seven English and Flemish engravers employed to produce the copper plates for the atlas.