Renault—8-cylinder, air-cooled; 50 horse power; weight 374 pounds.
Fiat—8-cylinder, air-cooled; 50 horse power; weight 150 pounds.
Why, even—even Rawlings could tell you that the engine's air-cooled.
It is a gas-operated gun, something like the Colt, and it is air-cooled.
Types A and B of the 60-80 air-cooled (water-cooled exhausts).
Radial type, air-cooled (but water-cooling ...