Oregon Secretary of State

Observation Balloons


A crowd stands around a hot air balloon partially inflated laying on its side on the ground.

Inflating a "French Sausage" observation balloon. (OSA, Oregon State Defense Council Records, World War I Photographs)(OSA, Oregon State Defense Council Records, World War I Photographs)


 
A hot air balloon about 30 ft off the ground is held by people holding tethers connected to it.

Moving an observation balloon using tether lines. (OSA, Oregon State Defense Council Records, World War I Photographs)


 
A hot air balloon pointed skyward begins to rise as a crowd of poeple watch. Rows of crosses as gravemarkers in foreground.

An observation balloon ascends on a mission to assess enemy strengths and movements. Notice the grave markers in the foreground. (OSA, Oregon State Defense Council Records, World War I Photographs)