German Map Case Ruler Schussweitenmesser 1938 field It does have some wear

It does have some wear and tear

Waist - 25 1/2"

It is wood lined

Original 1941 Sonne Brikett pocket calendar

German Map Case Ruler Schussweitenmesser 1938 field It does have some wearReproduction German steel map case ruler, Schussweitenmesser 1938. This was designed to fit inside the thin ruler pocket of the standard leather map case and was used to measure the firing range of various weapons systems. It doesn't show the maximum range of each system, but rather the ideal operating range of the weapon to help you map out where to place your heavy weapons relative to the front line or target area. Made in the USA. It is screen