Thyralines or automatic plotter. E.O. Richter & Co. Germany, for the Danish market, ca. 1910.

Thyralines or automatic plotter. E.O. Richter & Co. Germany, for the Danish market, ca. 1910.
Steel and brass.
In wooden case lined with imitation leather.
The case shows wear.
Measurements: 2 x 9 x 7,5 cm.

This automatic tape line puller was an exclusive model of the German house E.O. Richter.

During the 18th and 19th centuries, the development of precision mechanics and the Industrial Revolution gave rise to manufactures such as E.O. Richter & Co., founded in Saxony, Germany. At the beginning of the 20th century, this company became one of the most important in the world in the manufacture of compasses and technical drawing tools, standing out for its innovation, such as the development of the eccentric whisker.