Meridian Column of Wilhelm Gotthelf Lohrmann

de.wikipedia.org/wiki/Rähnitz
"A meridian column has been erected in Rähnitz since 1828. This ten-meter-high sandstone column forms the northern terminus of the surveying system of Wilhelm Gotthelf Lohrmann and is popularly known as" Butterstampe. "Other measuring points were located at Zwinger in Dresden's inner city and at Rippien together they gave an exact north-south line. "
dresden.city-map.de/02016200/meridiansaeule-dresden-raehnitz
"The Meridian Column in Dresden Rähnitz is reminiscent of the German geodesist, topographer, astronomer and meteorologist Wilhelm Gotthelf Lohrmann." It was made of sandstone and contains a relieving panel, reminiscent of Lohrmann's work as a geodesist. "
Lohrmann was the first director of the Technische Hochschule Dresden

One of two measuring columns of the senior inspector Lohrmann from 1828. A second column near Rippien has not yet been located. The column is also popularly known as the "Butterstampe".

The ten-meter-high sandstone column was erected in 1828 on the initiative of Wilhelm Gotthelf Lohrmann (1796–1840). Lohrmann worked for the Royal Saxon Surveying Institute, operated an observatory, and drew a map of the moon. In 1827, he became Chief Inspector of the Mathematical-Physical Salon, and a year later, he was appointed director of the newly founded Technical Educational Institute in Dresden.