On the eastern edge of town, the route intersects Transit Road, which runs along the transit line first surveyed by the Holland Land Company.
Triangulation, as invented by Gemma Frisius around 1533, consists of making such direction plots of the surrounding landscape from two separate standpoints.
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In the early part of the 20th century, Heinrich Wild produced theodolites that became popular with surveyors.
Traces of the theodolite support structure were still to be found many years afterwards at some remote survey points, such as at Soldiers' Lump, the summit of Black Hill in the Peak District of England.