Hargrave Box Kite, Airplane Target at Fortress Monroe; Modified Hargrave Box Kite, Incorporating Improvements By Marvin, Clayton, And Fergusson; Used By Weather Bureau For Raising Forecasting Instruments, 1917.

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Size: 9396px × 6484px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

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