It is in a good condition. There is no information about the manufacturer company on it. There is a gap in the glass cover and it is easy to separate.

Measuring maps is important for the planning and tracking of military operations. Military personnel determine important details and distances in an area by using distance meters on maps. Manual map meters used in World War I were a tool used to measure distances on a map. This tool was used in combination with other manual tools, such as scale strips or rulers. Manual map meters were quite simple and portable tools. Using these instruments, map readers could use them to measure a certain distance or convert the distance on a map drawn with a certain scale into real-world distance.