1938 Air France Bloch 220 (two-engined) Dewoitine D 338 (tri-engined) Lioré & Olivier H 246 and H 470 (quadri-engined seaplanes)

1938 Air France Bloch 220 (two-engined) Dewoitine D 338 (tri-engined) Lioré & Olivier H 246 and H 470 (quadri-engined seaplanes)

Source: Internet Archive / Digital Transportation Archive