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Keywords from Image Description:
nc cn aviation aircraft airplane biplane stearman stearman stearmanc stearman cb stearmancb wright aeronautical wrightaeronautical wright wright whirlwind wrightjwhirlwind wright wrightj whirlwind jwhirlwind wright whirlwind wrightwhirlwind whirlwind engine whirlwindengine whirlwind radial whirlwindradial wright wrightr blackandwhite