| |
|
Astronomical instrument
|
131174 |
| |
|
Hédervári Péter - Péter Hédervári
|
94877 |
| |
|
Arab inventions
|
131175 |
| |
|
1964
|
131230 |
| |
|
1960s in military history
|
131229 |
| |
|
E6B
|
131247 |
| |
|
Deltar (Delta Getij Analogon Rekenmachine)
|
131249 |
| |
|
Flight computer
|
131244 |
| |
|
Tourist attractions in Niagara Falls, Ontario
|
131216 |
| |
|
Naval battles of the First Punic War
|
94890 |