The F.31 was a two-seat fighter, designed around the Liberty 12 engine.

They buried themselves in the Liberty engine on the nose of the big ship.

Delco was also one of those that produced the Liberty engine.

Caught the sharp, close clipped bark of a Liberty engine.

Liberty engines very probably on the front of D.H. light bombers.

The original design featured three Liberty engines, but they were quickly abandoned due to weight issues.

Lincoln built 6500 Liberty engines and employed 6000 people by the end of the war.

It was powered by a Liberty 8 engine, and armed by two machine guns.

The plane was powered by a Liberty 12 engine in the nose.

Later its main business was the conversion of older Liberty engines to more powerful models, both for aircraft and marine use.