from the state-financed Ordnance Survey. John Bartholomew Junior was credited with having pioneered the use of hypsometric tints or layer colouring on maps in which low ground is shown in shades of green and higher ground in shades of brown, then eventually purple and finally white. It is his son John George who is attributed with being the first to bring the name 'Antarctica' into popular use as the name for the Southern Continent, and for the adoption of red or pink as the colour for the British Empire. The firm's first major work as a publisher was The Royal Scottish Geographical Society's Atlas of Scotland (1895), later called the Survey Atlas of Scotland, which was followed by the Survey Atlas of England and Wales (1903). In 1922, the company was responsible for the production of a major new atlas for The Times newspaper: The Times Survey Atlas of the World. This would later become The Times Comprehensive Atlas, which received a boost when a new Millennium edition was published using digital map production technology for the first time. The atlas continues to be a 'must-have' for libraries, on account of its almost unrivalled size combined with a policy of detailed updating. Another great Bartholomew reference atlas was the Citizen's Atlas of the World, which ran through ten editions (1898–1952). Other publications include two volumes of the ambitious Physical Atlas: Meteorology (1899) and Zoogeography (1911), based on the landmark Berghaus Physikalischer Atlas. John Bartholomew & Son Ltd officially ceased to exist when it was de-registered at Companies House in 1995. A new company using the name John Bartholomew & Son Ltd (Companies House SC194433) was registered in Scotland on 18 March 1999. It is based at Hardengreen Business Park just outside Edinburgh, and is owned by former staff. Relocation The company was relocated from its offices in Duncan Street, Edinburgh, in 1995 to HarperCollins’ Glasgow offices in Westerhill Road, Bishopbriggs. Many long-serving staff left at that time. The Duncan Street office in Edinburgh had been built in 1911 using the imposing Palladian façade of a former Bartholomew family home, Falcon Hall, and this now forms the frontage for a series of up-market flats created from the former offices. The works behind the offices were demolished and replaced by new blocks of flats, which were named by the builder after prominent Scottish writers who had no connection with Bartholomews or cartography.