Deckungswinkelmesser – J.D. Möller G.m.b.H.
Deckungswinkelmesser or Indirect fire calculator marked JDEM for J.D. Möller G.m.b.H., Wedel. It was made prior to 1941 and the main material used is brass. This little device helps to calculate distances and hight differences in terrain. This tool was a standard issue piece in the mapcase and a vital tool to navigate through mountainous terrain.
Maker: J.D. Möller G.m.b.H., Wedel
Material: Painted brass
Notes: This is a pre- or early war variant made from brass.