During World War One, Italian Air Force personnel work on an Isotta Fraschini airplane engine. This particular model, the Tipo V4B, had six cylinders and produced 170 to 180 horsepower. The Isotta Fraschini engines were widely used in Italian aircraft during the war.

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Size: 8336px × 5650px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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