Pratt & Whitney R-1340 Wasp

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Invention

Domain

Science and technology

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What Wikipedia says

The Pratt & Whitney R-1340 Wasp is an aircraft engine of the reciprocating type that was widely used in American aircraft from the 1920s onward. It was the Pratt & Whitney aircraft company's first engine, and the first of the famed Wasp series.

Excerpt from the Wikipedia article “Pratt & Whitney R-1340 Wasp”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Sanjay Acharya, CC BY-SA 3.0, via Wikimedia Commons.