Benchmarking: Could this be a new hobby for you?
25th May 2024 | Local History
Benchmarking is a global practice, but in the UK at least, these symbols were made by officials from the Ordnance Survey and were often carved onto public buildings or structures that were expected to stand the test of time and be around for many years to come, enabling future surveyors to use them as a reference point for elevation. You’ll most often find them on town halls, railway bridges, churches or stone gateposts. However, like many other things, benchmarking eventually became an outdated practice, superseded by GPS and other digital technologies.
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