Three F4B-3s in Flight

F4B/P-12 Fighter Pilots in High-Altitude Gear 

P-12E Army Biplane Fighter Flying over Detroit 

F4B-3 on the Ground 

Fourteen P-12Es in Flight 

P-12E with 450-hp Engine 

F4B-2 Navy Biplane Fighter 

P-12C Army Biplane Fighter on Tarmac 

Model 40B-4 at Plant I Hangar 

Model 40B-4 Mailplane Manufacturing 

Model 40B at Boeing Hangar 

Model 40B mailplane 

Model 40C in Boeing Factory 

Model 40C and Model 95 Mailplane Manufacturing 

Model 40A Soars over Nevada’s Ruby Mountains 

Model 40A Mailplane Cockpit 

Model 40 on Ground 

Model 40A Mailplane Assembly 

Model 80B Transport on Ground 

Model 80A Above Seattle Waterfront 

Model 80 Flying over Mount Rainer 

Model 80 Transport on Ground 

Model 80A Wings and Frame Assembly 

Model 40A Mailplanes at Boeing Field 

Model 100F on Ground