Day

April 9, 2015

9
Apr
2015
0

79 years of trig pillars

It was fitting that we had a Twitter question about trig pillars yesterday, as this month will mark 79 years since the humble trig pillar was first used for the start of the retriangulation of Great Britain. On 18 April 1936, a group of men gathered around a strange, pale obelisk in the middle of an unremarkable field in Cold Ashby, Northamptonshire. The shining white monolith would now be instantly recognised by any walker, hiker or geography pupil – and is often a welcome sign that you’ve reached the peak of your hike when you spot the trig pillar.

Where it all began - Cold Ashby

Cold Ashby photo by Bridgeman via Trigpointing UK, a great site for all things trig

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