Title:
Hargrave Box Kite, Airplane Target at Fortress Monroe; Modified Hargrave Box Kite, Incorp..., 1917. Creator: Harris & Ewing.
Caption:
Hargrave Box Kite, Airplane Target at Fortress Monroe; Modified Hargrave Box Kite, Incorporating Improvements By Marvin, Clayton, And Fergusson; Used By U.S. Weather Bureau For Raising Forecasting Instruments, 1917.