, circa 1890 Just think of the challenges surveyors used to face...This young #surveyor with a theodolite on a tripod, circa 1890 had much tougher work to contend with..
Added by ⚡Survenator⌁ at 9:34pm on August 31, 2017
The box of a Wild T2 theodolite we used during a exercise on the roof of the building of the Geodetic Institute.It was winter, quite cold and snow everywhere.
This consist of a gyroscope mounted to a theodolite(Wild T2). It basically used to determine the orientation of TRUE NORTH by locating the meridian direction.
This consist of a gyroscope mounted to a theodolite(Wild T2). It basically used to determine the orientation of TRUE NORTH by locating the meridian direction.
This theodolite is the oldest surviving of its size and was used on the Principal Triangulation of Great Britain and Ireland from 1792 to the early 19th century. It was used to measure both vertical a…