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c. 1000 BC
 
Narrative history in HistoryWorld     
Iron reheated with carbon is found to be much harder, being transformed into steel       
c. -850 BC
 
Narrative history in HistoryWorld     
The technique of glazing pottery is discovered in Mesopotamia, though used at this stage only for decorative purposes       
Glazed Babylonian tiles
Fotofile CG
c. -800 BC
 
Narrative history in HistoryWorld    
The earliest surviving sundial is in use in Egypt      
710 BC
 
Narrative history in HistoryWorld     
The first known lock and key is fitted in the new palace of Sargon II at Khorsabad, in Assyria       
513 BC
 
Narrative history in HistoryWorld    
The Chinese become the first people to cast iron, after developing a furnace which can reach a very high temperature      
c. 350 BC
 
Narrative history in HistoryWorld    
The earliest description of a pulley appears in a Greek text      
c. 250 BC
 
Narrative history in HistoryWorld    
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
 
Narrative history in HistoryWorld     
Cement is in use for construction in Asia Minor, possibly developed first in Pergamum       
c. 170 BC
 
Narrative history in HistoryWorld      
Parchment is invented by Eumenes II, king of Pergamum, according to traditional accounts        
c. 50 BC
 
Narrative history in HistoryWorld     
The Phoenicians discover that a blob of molten glass can be puffed out to form a hollow vessel