1919 Cover Portable Hangar Airplane World War I M Gabriel Voisin Airdrome SCA3 SILENT7 Eating for Efficiency and Discovering

Eating for Efficiency and Discovering Europe by Airship

This is an original 1904 all-text print ad for the 6

This is an original 1882 monochrome relief line-block map of a map featuring Mt

This is a tiny original 1907 halftone print of cannibals of the Congo in Africa

Johnson & Son located in Racine

1919 Cover Portable Hangar Airplane World War I M Gabriel Voisin Airdrome SCA3 SILENT7 Eating for Efficiency and DiscoveringPlease 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