Maps of Little Wratting
Scale: 1 : 31680
Description: The draughtsman used Balsham Steeple and West Wickham Steeple at the top left of this plan as triangulation points. From these positions, he made angular observations with a theodolite to measure the height of the land and to plot individual topographical features. Pencil rays radiating from these two points,record the measurement process.
Contibutor: Verron Charles
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