| |
|
20th century in science
|
127469 |
| |
|
Turva
|
127694 |
| |
|
Flying submarine
|
127640 |
| |
|
Tracked vehicles
|
127496 |
| |
|
Arctic exploration vessels
|
127479 |
| |
|
Sliding vehicles
|
127498 |
| |
|
Land transport in Antarctica
|
127481 |
| |
|
Land vehicles with sleeping facilities
|
127482 |
| |
|
Specialized polar vehicles
|
127483 |
| |
|
Engine
|
127488 |