About fifteen years ago the navigation of the air was something looked upon with eyes of doubt all over the world. The first flights of the Wrights were hailed with amazement and the newspapers and magazines were filled with accounts of their achievements. At that time it was regarded as a marvelous thing to reach an altitude of a hundred feet and to maintain a biplane in the air for more than a few minutes.
Submarine Photography
Transactions of the Society of Motion Picture Engineers ; 5 , 12 ; 149-158
1921-05-01
1302215 byte
Article (Journal)
Electronic Resource
English