PRATT & WHITNEY 1940'S WWII R-4360 WASP MAJOR Radial Engine Piston Desk Clock RAW EDITION (RIGHT OFF THE PLANE & BLASTED TO BARE METAL) MADE in THE USA This industrial modern art desk clock was created using an authentic 1940's WWII Pratt & Whitney R-4360 Wasp Major Radial Engine Piston. The R-4360 was a large 28-cylinder supercharged air-cooled four-row radial piston aircraft engine designed & built during WWII. It was the last of the Pratt & Whitney Wasp Engine family. Powered many of the greatest airplanes ever built including the: Aero Spacelines Mini Guppy Aero Spacelines Pregnant Guppy Boeing 377 Stratocruiser Boeing B-50 Superfortress Boeing C-97 Stratofreighter Boeing KC-97 Stratotanker Boeing XF8B Boeing XB-44 Superfortress Convair B-36 Convair XC-99 Curtiss XBTC Douglas C-74 Globemaster Douglas C-124 Globemaster II Douglas TB2D Skypirate Fairchild C-119 Flying Boxcar Fairchild C-120 Packplane Goodyear F2G Corsair Hughes H-4 Hercules (Spruce Goose) Hughes XF-11 Lockheed R6V Constitution Martin AM Mauler Martin JRM Mars Martin P4M Mercator Northrop YB-35 Republic XP-72 Republic XF-12 Rainbow SNCASE SE-2010 Armagnac Vultee XA-41 Piston has been blasted to bare metal. Piston Measures 5 3/4 inches in Diameter X 4 1/4 Inches High. Clock Measures 3 1/2 inches Weighs 5 lbS Machined at a 70 degree angle for your viewing pleasure Dimples on piston face are top to bottom to reduce the amount of material we would have to take off on these valuable pieces when machining for the clock angle. Uses one AA battery (not included) These pistons have been through many battles & will have pitting & war scars. They truly show their authenticity! We only sell the real deal! Pratt & Whitney Wwii P-50 Boeing Superfortress Bomber Plane Radial Engine Piston Clock - Amazing Wedding Present