P-V Engineering Forum XHRP-X (PV-3) | National Air and Space Museum https://airandspace.si.edu/collection-objects/p-v-engineering-forum-xhrp-x-pv-3/nasm_A19610127000
Philadelphia: Frank M. Adams, 2000. Labermont, Paul.
Philadelphia: Frank M. Adams, 2000. Labermont, Paul.
scheduled U.S. air mail service began on May 15, 1918, with routes between Washington, Philadelphia
Engineering drawings for the F-5 were received at the Naval Aircraft Factory (N.A.F.) in Philadelphia
Before we had access to stunning photos of our galaxy from ground- and space-based telescopes, visionaries like Étienne Trouvelot’s captured celestial magic through their art
’s rare book vault—were displayed at the Centennial International Exposition in Philadelphia
four more hours during testing and evaluation at the Naval Air Materiel Center in Philadelphia
Philadelphia: J. B. Lippincott Co., 1969. Gregory, H. Franklin.
An interview with Paul Hendrickson, the son of a P-61 World War II night-fighter pilot.
Air Museum sits about an hour and 15 minutes’ driving time from my home outside Philadelphia
He flew via Philadelphia, Baltimore, Washington and Richmond, attracting considerable
Pitcairn Autogiro Company and the Kellett Autogiro Corporation, both based near Philadelphia
One hundred years after the first U.S. Navy airship took to the skies, zeppelins and blimps are poised to make a comeback
hangar assembling parts that had been fabricated at the Naval Aircraft Factory in Philadelphia