collinvandyck:
Spirit of St. Louis
collinvandyck:
Engine Anatomy
collinvandyck:
Jet engines are large
collinvandyck:
High Bypass Turbofan
collinvandyck:
Landing Gear
collinvandyck:
Washington Monument
collinvandyck:
Smithsonian Institution
collinvandyck:
National Museum