Fig. 11. San Diego, across Spanish Bight, as Seen from the U. S. Aviation School at Twilight
Photographed October, 1915
Contrasted with the photograph of Point Loma on the opposite page, this picture shows the ideal water conditions for trying out seaplanes. Shortly before this picture was taken, one of the pilots of the Curtiss Aviation School, also on North Island drove a big seaplane 100 miles per hour barely skimming the surface of the water.
Fig. 12. Instructor Brindley and Meteorologist Carpenter in Military Tractor No. 50
Photographed October 20, 1915
Instructor Oscar Brindley and the observer, Meteorologist Ford A. Carpenter, U. S. Weather Bureau, leaving the ground for a flight. In the military tractor used generally by the Army, the observer sits forward while the pilot occupies the after cockpit. This machine, like all others used in the military service, has dual control.
Fig. 13. Military Tractor No. 50. Type of Biplane Used in U. S. Army Service Made by Glenn Martin, Los Angeles, Cal.
Photographed October, 1915