Longitudinal section of a <a href="https://en.wikipedia.org/wiki/Bugatti_U-16" class="extiw" title="en:Bugatti U-16">Bugatti U-16</a> aircraft engine.
Unknown. US documentation of the imported license-built <a href="https://en.wikipedia.org/wiki/King-Bugatti" class="extiw" title="en:King-Bugatti">en:King-Bugatti</a> engine
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