![](http://www.alamy.com/thumbs/6/151C698B-4687-4DE9-8A02-101E70EC350F/A9KJ1B.jpg)
Piston engine radial engine with propeller on classic vintage Lockheed 12A airliner from the 1930s
Size: 3413px × 5120px
Photo credit: © Steven May / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 12a, 1930, 1930s, aero, aeroplane, aerospace, air, aircraft, airliner, airplane, airtravel, aviation, blade, bygone, classic, design, engine, engineering, era, flying, hub, immaculate, industry, lockheed, mechanical, metal, nostalgia, piston, plane, polished, portrait, pre, prop, propeller, props, radial, reflection, runway, shiny, silver, thirties, travel, vertical, vetran, vintage, war, ww2