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Propeller aircraft engine on a WWI biplane. Rotary piston engine drives wooden propeller on this vintage aircraft.

Stock Photo:
Image ID: 492147
Release Information: N/A
Copyright: Robert Kyllo
Small
500x375 6.9"x5.2" (72dpi) 237 KB
Med
1000x750 3.3"x2.5" (300dpi) 826 KB
Large
1900x1425 6.3"x4.8" (300dpi) 2.1 MB
Super
3800x2850 12.7"x9.5" (300dpi) approx.5.4 MB
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