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Detail of the forward end of the V-2 engine.

Picture 1 of 2.

The narrow white lines carry LOX from the turbopump to the LOX injectors in the burner cups. The larger-diameter line (mostly obscured, but approximately at a right angle to the forward-most end of the steam exhaust duct) is the fuel pump discharge, which splits into lines wrapping around the engine to carry fuel to the alcohol inlets.

The larger-diameter white line leading to the left side of this photo is the turbopump steam exhaust duct.