FRE 9001
IMAGE![A turbo supercharger fitted to the wing of a B-17 Flying Fortress. Image stamped on reverse: 'Flight.' [stamp], 'Passed for publication 14 Aug 1942.' [stamp] and '215603.' [Censor no.] Printed caption on reverse: 'A close-up of the GEC exhaust-driven turbo supercharger.'](https://assets.americanairmuseum.com/s3fs-public/styles/wysiwyg_x2/public/freeman/media-418508.jpg.webp?itok=U-j96sQe)
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A turbo supercharger fitted to the wing of a B-17 Flying Fortress. Image stamped on reverse: 'Flight.' [stamp], 'Passed for publication 14 Aug 1942.' [stamp] and '215603.' [Censor no.] Printed caption on reverse: 'A close-up of the GEC exhaust-driven turbo supercharger.'