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		| Paper: | 
		Historical Eclipses | 
	 
	
		| Volume: | 
		335, The Light-Time Effect in Astrophysics:  Causes and Cures of the O - C diagram | 
	 
	
		| Page: | 
		159 | 
	 
	
		| Authors: | 
		Stephenson, F.R.; Morrison, L.V. | 
	 
	
	
		| Abstract: | 
		Analysis of ancient and medieval observations of solar and lunar eclipses from between 700 BC and AD 1600 provides an intriguing illustration of long-term O – C investigation. These measurements are from several different eras and cultures: principally ancient Babylon; ancient and medieval China; medieval Europe; and the medieval Arab world. Such diverse observations have proved of great value in studying long-term changes in the Earth's rate of rotation – as produced by tides and other mechanisms. | 
	 
	
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