File:Vergaser für Pratt & Whitney R-2000.jpg - Wikipedia

Pratt & Whitney R-4360 Wasp Major - Wikipedia

P&W Twin Wasp D (R-2000)

No Replacement for Displacement – The Pratt & Whitney R-2800

Pratt & Whitney R-2800 radial aircraft engine Piston - lightly

File:Pratt & Whitney Wasp Major R-4360 Engine.jpg - Wikipedia

Pratt & Whitney R-2800 Double Wasp - Wikipedia

Pratt & Whitney R2000 Twin Wasp Radial Engine PN: R2000-7M2

Pratt & Whitney R-2800 Double Wasp - Wikipedia

Pratt and Whitney R-2800 - America's Indestructible WWII Aircraft

P&W Twin Wasp D (R-2000)