1915 Rotogravure World War I French Military Hot Air Balloons Observation YNY2 PR5 The cathedral was one of

The cathedral was one of the first in the world to utilize flying buttresses

It shows locations such as East Prussia

left portion of this image

Keywords specific to this image: Franklin Institute

This is an original 1910 halftone print of the ancient towers and city gate of Augusta Taurinorum at Porta Palatina in Turin

1915 Rotogravure World War I French Military Hot Air Balloons Observation YNY2 PR5 The cathedral was one of"Despite the Aeroplane, War Balloons Are Not Obsolete" This is an original 1915 sepia rotogravure with three images of French military balloons during World War I. CONDITION This 99+ year old Item is rated Near Mint Very Fine. No creases. No surface rub. No tears. No water damage. There is printing on the verso. Please note that the white spots in the top and bottom margins are just reflections on the digital image they are NOT on the item. Product