I'm posting this because I know many of us are mechanically/ mathematically/scientifically/ historically inclined/intrigued.
A simply brilliant book to read - and re- read 
 
		
		
	
	
		 
	
	
		
			
		
		
	
				
			A simply brilliant book to read - and re- read
 
  
	 
 
		 
 
		 
 
		
 
 
		
 
 
		 
 
		 
  
  
  
 
		 
 
		