7th October 1977, Page 67
	
	7th October 1977
			Page 67
		
					Page 67, 7th October 1977
									
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			Internal Combustion Engine 3
ONTRARY to what a beginner ight at first suppose, the inlet d exhaust valves of the ternal combustion engine do t open and close exactly at DC and BDC. In fact, the inlet valve......
					










































































































