Airplanes - Wings - Flexibility of plywood in aeroplane wings. Test designed to show strength of plywood under service conditions. Repeated bending for a period of 30 hours failed to show any signs of failure. Forest Products Laboratory, Madison, Wis
Summary
Photographer: Forest Products Lab., Madison
Airplanes - Wings
Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
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Tags
airplanes
wings
flexibility
plywood
aeroplane
aeroplane wings
test
show
strength
show strength
service
conditions
service conditions
period
hours
signs
failure
forest
products
laboratory
forest products laboratory
madison
wis
ww 1
wwi
world war i
world war one
world war 1914 1918
aircraft industry
airplane industry
airplanes manufacturing plants
wisconsin
high resolution
ultra high resolution
madison airplanes
forest products
us national archives
Date
1917 - 1918
Source
The U.S. National Archives
Link
Copyright info
No known copyright restrictions