| |
|
1960s in military history
|
131229 |
| |
|
1964
|
131230 |
| |
|
Flight computer
|
131244 |
| |
|
E6B
|
131247 |
| |
|
Deltar (Delta Getij Analogon Rekenmachine)
|
131249 |
| |
|
navigáció - navigation
|
131251 |
| |
|
History of technology
|
131283 |
| |
|
Logarithm
|
131263 |
| |
|
1620 introductions
|
131264 |
| |
|
1622 introductions
|
131265 |