 Text search
 Related images
 HistoryWorld
 Link
 Map
Click the icons to visit linked content. Hover to see the search terms. |
|  |
| | | | | | | |
|
| c. 250 BC |
| | | To help the king of Syracuse extract water from the hold of a ship (so the story goes), Archimedes invents the screw now known by his name | |
| |
|
| c. 200 BC |
| | | Cement is in use for construction in Asia Minor, possibly developed first in Pergamum | |
| |
|
| c. 170 BC |
| | | Parchment is invented by Eumenes II, king of Pergamum, according to traditional accounts | |
| |
|
| c. 50 BC |
| | | The Phoenicians discover that a blob of molten glass can be puffed out to form a hollow vessel | |
| |
|
| 47 |
| | | Roman legions build the Fosse Way, a raised road with a ditch on each side stretching from Lincoln to Devon | |
| |
|
| c. 75 |
| | | Hero, a Greek scientist in Alexandria, devises various forms of steam engine | |
| |
|
| c. 75 |
| | | The dioptra, developed by Hero of Alexandria for surveying land, is an early form of theodolite | |
| |
|
| c. 100 |
| | | The network of Roman roads stretches eventually from England to Egypt | |
|  | Roman road, Pompeii
Fotofile CG
|
|
|
| c. 105 |
| | | A bridge is built over the river Tagus at Alcántara and stands today as a fine example of Roman technology | |
| |
|
| 105 |
| | | The eunuch Ts'ai Lun either invents paper or presents a report on the new substance to the Chinese emperor | |
| |
|
| | | | | |
| |