Show afi KIM W y copyright 1914 by panama pacific international exposition co THE WORLDS FIRST INDOOR AEROPLANE FLIGHT PAN AMA PACIFIC international exposition 1915 HE worlds first indoor aeroplane flight was made by lincoln T TUB Ben beachey chey the american aviator on the grounds of the panama pacific international exposition in san francisco starting at one end of the palace of machinery which Is the largest wooden frame structure in the world being almost 1000 feet in length beachey attained a terrific momentum and rose into the air to a height of lifty feet actually flying for a distance of feet feel at the opposite end of the building barriers of cloth were held by assistants to lessen the impact of the aeroplane the machine however provi provided dedi I 1 with a hundred horsepower engine easily tore through the cloth and the aviator received a severe shaking up the difficulties of the flight were increased by the fact that the interior arrangement of the build ing cou consists of three longitudinal aisles each seventy five feet tn in width and beachey flew down the center aisle having to keep a str straight abight car in order to prevent the aeroplane from striking the great columns of rule aisle |