Description
In the years 1862 to 1890, the Kingdom of Saxony participated in the Central European degree measurement. At the same time, a new topographical survey of the country was prepared.
For both tasks, the determination of trigonometric points was carried out by solid stone columns. 36 points were for the degree measurement network, also network 1. Order called, with point distances up to 50 km required, another 122 points were allocated for network 2. Order, which requires Royal Saxon triangulation with point distances of 15 km.
Many of the stone columns have survived the time and are often referred to as Nagel's columns, a reminiscence of the Dresden professor Christian August Nagel, who was responsible for the creation of the two nets.
Today they are monuments to the history of surveying.
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