WH/SS Deckungswinkelmesser
Deckungswinkelmesser or Indirect fire calculator
It's nicely maker marked with 'Jdem' indicating production by the company of 'J.D. Möller G.m.b.H.' from Wedel.
Hard to find original example in good used condition
Nice item to complete your map case with!
Code: 53293
250.00 EUR