Re: Bodenwöhr Waldwerk - Mtt Bf 109 K-4 assembly lines 1944 - 1945
Salut Franck,
It's the octane triangle for the starter fuel tank which fuel cap is located there. Jean-Claude Mermet does explain it in its excellent publication on the Bf 109 G- K (Spécial Aéro Journal 1, 2009).
Cheers
Marc
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