root

Does anyone know how to interpret certain German airfoils like the ones from Heinkel, Blohm Voss and Arado? Here's an example Heinkel He 177 Wing Root: He 1.5 36.8 17.3-0.715-36.6 Wing Tip: He 1.5 36.8 10-0.715-36.6 Arado Ar 234 Wing Root: Ar 1.267 20 13-1.1-35 Wing Tip: Ar 1.227...