2 Tuloksia löytyi "Tiedosto:Hopper_of_1st_crop_duster_aircraft.jpg".

Tiedosto:Hopper of 1st crop duster aircraft.jpg

DescriptionHopper of 1st crop duster aircraft.jpg English: World first crop dusting experiment (August 3rd 1921, Troy, Ohio) using an aircraft - Left: McCook...

Tiedosto:Etienne Dormoy and John A. Macready in front of 1st crop duster aircraft.JPG

Macready in front of 1st crop duster aircraft.JPG English: World first crop dusting experiment (August 3rd 1921, Troy, Ohio) using an aircraft - Left: McCook...

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