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Scientific American

May 1, 1930

1 min read

An Air-transport Operator Speaks

"It Is the Operator's Obligation to Employ Every Known Device to Make Air Transport Safe and Speedy"

By P. G. Johnson

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This article was originally published with the title “An Air-transport Operator Speaks” in Scientific American Magazine Vol. 142 No. 5 (May 1930), p. 358
doi:10.1038/scientificamerican0530-358

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