A better image of that Italian all-iron combined flask and spanner, ca. 1560-70, in the Wallace Colln. that is similar to my sample posted above, #19ff. 
 
We can now see that the former screwdriver is missing from the tip of the two-way spanner, opposite to the nozzle. 
 
Best, 
Michael
		 
		
		
		
			
		
		
		
		
		
		
		
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