corrugated-fin type radiator
1Junkers J 1 — Infobox Aircraft name=Junkers J 1 caption=The Junkers J 1 Blechesel being run up at the Döberitz airfield of FEA 1 type=experimental manufacturer=Junkers Co designer= first flight=January 18, 1916 introduced= retired=1916 status= primary user=… …
