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Subject

Major-General William Roy

Person   Born 4/5/1726 Died 1/7/1790

Categories: Armed Forces, Engineering, History, Science

Countries: Scotland

Military engineer, surveyor, antiquary. Born South Lanarkshire.  Founder of the Ordnance Survey.

1749-55, one of a team that produced "The Duke of Cumberland's Map", commissioned by  George II as an aid to subjugating the Scots.  Showing Roy's interest in history the map plots many Roman remains.  He was promoted up to to major-general, always involved in land surveying, and became a member of the Royal Society.

1784, to assess the relative positions of the French Royal Observatory (Paris) and the British Royal Observatory (Greenwich) he measured a base-line from  King's Arbour (Heathrow) to Hampton Poor House.  This was the basis for all subsequent surveys of Britain, using the triangulation technique.

Never married.  No pictures seems to exist but we found some of his hand-writing.

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Major-General William Roy

Information Commemorated at

51675

General Roy's cannon - south

The cannon was installed in 1791 by Mudge.  The plaque came later in 1926. Fr...

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44255

Major-General William Roy

Greater London Council Major-General William Roy, 1726 - 1790, founder of th...

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