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Did you know …
Tim Brennan, Director of JPP Surveying, lead training yesterday. Full of interesting facts including this one. Did you know ….
On 18 April 1936 a group of surveyors gathered around a white concrete pillar in a field in Cold Ashby to begin the retriangulation of Great Britain. That trig pillar is still standing 80 years on, along with thousands more around the country.
The trig pillar is quintessentially British, and even made it onto Bill Bryson’s list of favourite British items in his 2015 book The Road to Little Dribbling. But while many people know they’re something to do with OS, they’re often not sure quite how.
The Cold Ashby pillar was the start of a state-of-the-art triangulation network built to re-map Britain, dreamt up by Brigadier Martin Hotine. Some 6,500 were built and OS surveying teams spent 26 years gathering measurements across Britain to create a highly accurate map of the country.
Thanks to www.ordnancesurvey.co.uk for the words and image.
- JPP News 283
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