The "Potez 39" observation airplane (French) : an all-metal high-wing two-seat monoplane (1930)
NASA Technical Reports Server (NTRS) · leaf 11
N.A.C.A. Aircraft Circular Ho. 114 Figs.20,21,22,23,24,27,28,29,30. … Fig.21 Fuselage. All the channels, except the top onesf have their grooves turned outward. These are closed by the covering, applied to them by a double line of rivets. Fig. 24 Reinforced end of spar for Figs .22 and 23 receiving attachment Fuselage gussets holt. outside and inside views. I I I…
NASA Technical Reports Server (NTRS)
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