HistoryWorld - Inventions and discoveries
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  Inventions and discoveries
     
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       
c. 75
 
Narrative history in HistoryWorld      
The dioptra, developed by Hero of Alexandria for surveying land, is an early form of theodolite        
105
 
Narrative history in HistoryWorld    
The eunuch Ts'ai Lun either invents paper or presents a report on the new substance to the Chinese emperor      
c. 250
 
Narrative history in HistoryWorld   
Roman socks, surviving in dry Egyptian tombs, are the earliest known examples of knitting     
644
 
Narrative history in HistoryWorld   
A document makes the first known reference to windmills, in use in Persia     
751
 
Narrative history in HistoryWorld    
Skilled Chinese paper-makers are captured by the Arabs - beginning the slow westward transmission of the technology of paper      
c. 1050
 
Narrative history in HistoryWorld    
The earliest surviving reference to the principle of the compass occurs in a Chinese manuscript      
1064
 
Narrative history in HistoryWorld     
Su Sung, a Buddhist monk, develops in China the principle of the escapement in his tower clock worked by a water wheel