Safety in air. Hearings before a subcommittee of the Committee on commerce, United States Senate, Seventy-fourth Congress, second session[-Seventy-fifth Congress, first session] pursuant to S. Res. 146,
|Corporate Author:||United States.|
Washington, U. S. Govt. print. off., 1936-37.
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Aeronautics > Safety measures
3 pt. tables.
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