Balloons - In the Theatre of Operations - A U-Boat spotter. Will it go...
Photographer: Underwood & Underwood Balloons - In the Theatre of Operations Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Manufacturing - General - Employees of the Balloon Departme...
Photographer: Underwood & Underwood Balloons - Manufacturing - General Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Observation - Omaha Balloon School. Omaha, Nebraska. Observ...
Photographer: Underwood & Underwood Balloons - Observation Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Schools - Omaha Balloon School, Omaha, Nebraska. About to a...
Photographer: Underwood & Underwood Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Flights - Observation balloon makes demonstration flight fo...
Date Taken: 3/18/1919 Photographer: Underwood & Underwood Balloons - Flights Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Hangars and Beds - Atlantic Airship, largest in world, make...
Date Taken: 3/20/1919 Photographer: Underwood & Underwood Balloons - Hangars and Beds
Balloons - Hangars and Beds - Omaha Balloon School. Balloon just befor...
Photographer: Underwood & Underwood Balloons - Hangars and Beds Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Schools - Training aerial observers
Date Taken: 12/14/1918 Photographer: Underwood & Underwood Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - In the Theatre of Operations - World's Largest Airship, the...
Photographer: Underwood & Underwood Balloons - In the Theatre of Operations Public domain image of an airship, no copyright restrictions image - Picryl description
Balloons - Hangars and Beds - President Wilson marches in great Washin...
Photographer: Underwood & Underwood Balloons - Hangars and Beds Public domain image of an airship, no copyright restrictions image - Picryl description
Balloons - Miscellaneous - New U.S. Dirigible. A dirigible that is cla...
Photographer: Underwood & Underwood Balloons - Miscellaneous Public domain image of an airship, no copyright restrictions image - Picryl description
Balloons - Hangars and Beds - Navy Dirigible Balloon, C-1, the largest...
Date Taken: 1/17/1919 Photographer: Underwood & Underwood Balloons - Hangars and Beds
Balloons - Schools - Training observers for captive balloons. Just abo...
Date Taken: 10/27/1917 Photographer: Underwood & Underwood Balloons - Schools Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Equipment - Omaha Balloon School, Omaha, Nebraska. Trucks f...
Photographer: Underwood & Underwood Balloons - Equipment Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Miscellaneous Operations - Gen. Kenly makes balloon trip. B...
Photographer: Underwood & Underwood Balloons - Miscellaneous Operations Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - In the Theatre of Operations - American Dirigible "somewher...
Date Taken: 08/0/1918 Photographer: Underwood & Underwood Balloons - In the Theatre of Operations
Balloons - Flights with Ships in View - Observation balloonon Battlesh...
Photographer: Underwood & Underwood Balloons - Flights with Ships in View Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - In the Theatre of Operations - How an observation balloon c...
Photographer: Underwood & Underwood Balloons - In the Theatre of Operations Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Accidents & Wrecks - Balloon Explosion. Kite Balloon inflat...
Date Taken: 3/14/1919 Photographer: Underwood & Underwood Balloons - Accidents & Wrecks
Balloons - Flights with Ships in View - U.S. Battleship and Observatio...
Photographer: Underwood & Underwood Balloons - Flights with Ships in View Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Balloons - Hangars and Beds - Scene at Omaha Balloon School, Omaha, Ne...
Photographer: Underwood & Underwood Balloons - Hangars and Beds Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description
Balloons - Flights - Gen. Kenly makes balloon trip. Taken during Gen. ...
Photographer: Underwood & Underwood Balloons - Flights Public domain image of a balloon aerostat, early aeronautics, no copyright restrictions image - Picryl description