1919 Cover Portable Hangar Airplane World War I M Gabriel Voisin Airdrome SCA3 TM5 Keywords specific to this image:

Keywords specific to this image: Raw Sugar

Also there is a very small pale spot in upper left corner

There are three small staple holes in the left margin --please see image

We are assuming this image was taken in either 1937 or 1938

This is an original 1926 halftone print of the terraces over the vale of Uffington's White Horse Hill

1919 Cover Portable Hangar Airplane World War I M Gabriel Voisin Airdrome SCA3 TM5 Keywords specific to this image:Please note that this is a cover only. This is an original 1919 two color cover for Scientific American depicting inflatable airplane hangars used during World War I. During trench warfare, regular airdromes were used, but once the war switched to open fighting with the armies on the march, the need for portable hangars became imminent. M. Gabriel Voisin, a well known airplane constructor, came up with the idea of the inflatable shelters. Please note