Paul Shen
			
				
		
		
	paulshen
Mechanical computation
Find of the day was the Computer History Museum in Mountain View. This is part of Charles Babbage's Difference Engine No. 1, which performed addition operations using moving parts.
				
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			Uploaded on July 26, 2009
	
	
			
					Taken on July 25, 2009
			
	
Mechanical computation
Find of the day was the Computer History Museum in Mountain View. This is part of Charles Babbage's Difference Engine No. 1, which performed addition operations using moving parts.
				
					321
			views
	
		
					
						1
					
			fave
		
	
				
				1
			comment
	
	
			Uploaded on July 26, 2009
	
	
			
					Taken on July 25, 2009