| |
|
Montgolfier fivérek
|
97032 |
| |
|
Intermeshing-rotor helicopter (Synchropter)
|
133387 |
| |
|
Single-engined piston helicopters
|
133388 |
| |
|
A Montgolfier-testvérek első nyilvános léggömbkísérlete
|
97035 |
| |
|
Jean-François Pilâtre de Rozier
|
97038 |
| |
|
Japanese World War II flying aces
|
133414 |
| |
|
Space policy
|
133432 |
| |
|
1920s German military reconnaissance aircraft
|
133484 |
| |
|
Pulsejet engines
|
133439 |
| |
|
Jacques Charles
|
97039 |