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Leroy Grumman.jpg - Bzuk
Leon A. Swirbul, Willian T. Schwendler Leroy Randle Grumman 1940 (mfr via RJF) (16948844088).jpg - Fæ
Roy Grumman and Jake Swirbul with G-44 prototype Jun40 (mfr via RJF) (16948842398).jpg - Fæ
Grumman Memorial Park 2018 39.jpg - Mike Peel
Grumman Memorial Park 2018 40.jpg - Mike Peel
Loening Model 23 Seaplane Altitude Record Flight Chart August 16 1921.jpg - Gilatter
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