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| A Cragstan Northwest Orient Airlines battery-operated passenger airplane; p4a.com image courtesy of Tom Heinecke. ; |
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| Detail of nose and fuselage on the Cragstan Northwest Orient Airlines airplane; p4a.com image courtesy of Tom Heinecke. ; |
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| Detail of fuselage on the Cragstan Northwest Orient Airlines airplane; p4a.com image courtesy of Tom Heinecke. ; |
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| Detail of Cragstan mark on fuselage under body of the Northwest airplane; p4a.com image courtesy of Tom Heinecke. ; |
