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Conceptually similar
DH-4Bs Being Remodeled
Model 16, DH-4 Manufacturing
DH-4 Frame
Haviland DH-4 Rebuilding, Boeing Shop Floor
DH-4B Steel Fuselage Static Test
DH-4 on Tarmac
DH-4 on Ground
DH-4 on Ground
PW-9 and DH-4 on Field
North American Fokker First Production DH-4M-2 Takeoff
Partial Assembly, F3B-1
MB-3A Propeller Construction
Boeing Factory Workers Sewing a MB-3A Wing
F4B-4 50. Caliber Gun Installation
Transporting the MB-3A
F4B-2 Right Side Gun Installation
Assembly Uncovered, Design #74
Empennage Assembly, F3B-1
Fokker C-4 Mail Plane Engine
Model 80A Wings and Frame Assembly
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DH-4 Assembly
Boeing gained valuable early experience in metal structures in the 1920s by rebuilding surplus de Havilland DH-4s, replacing their wire-braced wooden fuselages with welded steel tubing. From 1923 to 1925, 186 airplanes were rebuilt using the Boeing-developed arc welding process for steel-tube fuselages. These aircraft were designated DH-4M (for modernized). The arc welding process later was crucial development of the first Boeing-designed fighters.
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Unique identifier
BI211200
Boeing ID
425b
Type
Image
Size
5100px × 3950px 19MB
License type
RM
Keywords
1920s
adults
airplanes
biplanes
bombers
businesspeople
day
DH-4 (Model 16)
factories
factory workers
fuselages
grid patterns
ground shots
hangars
historic production status
interiors
male
manufacturing
military
military observation aircraft
Non Boeing products
perspective lines
photos
Plant I
propeller planes
right rear views
right side views
structural systems
trainers
two people
vintage / retro
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