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			Join Date: Nov 2008 
				Location: Russia, Leningrad 
				
				
					Posts: 355
				 
				
				
				
				
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			I can't understand appointment of this subject:
		 
		
		
		
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		#2 | 
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			Join Date: Dec 2004 
				Location: California 
				
				
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			Is there a caption or bit of text accompanying this mysterious drawing?  I would imagine from the title of the book that it would be in German, I'm sure there's a number of us on the forum who can help you with a translation.
		 
		
		
		
		
		
		
		
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		#3 | 
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			 (deceased) 
			
			
			
				
			
			Join Date: Sep 2008 
				Location: Bavaria, Germany - the center of 15th and 16th century gunmaking 
				
				
					Posts: 4,310
				 
				
				
				
				
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			I would love to help in translation but even if there is a text relating to this illustration (which usually is not the case) it will not be easy to read the Gothic minuscule script. Perhaps we will be lucky though if Alexander took the line drawing from a transcribed later editition. 
		
		
		
		
		
		
		
		
			Any comment or brainstorming on this curious object is much welcome!!!   Best, Michael Last edited by Matchlock; 31st May 2010 at 08:58 AM.  | 
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		#4 | 
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			 (deceased) 
			
			
			
				
			
			Join Date: Sep 2008 
				Location: Bavaria, Germany - the center of 15th and 16th century gunmaking 
				
				
					Posts: 4,310
				 
				
				
				
				
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			Alright, 
		
		
		
			Now I went thru the book (ca. 1470, Cod germ. 734, Bavarian State Library Munich), only to find my surmise confirmed: there is no caption to the illustration nor is there a reference in the (very hard to read!) text. However I found a similar but more exact line drawing in there (first attachment) and all of a sudden the idea of a primitive caliper rule jumped to my mind (a modern version also attached). Any comments out there? Best, Michael  | 
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		#5 | 
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			 (deceased) 
			
			
			
				
			
			Join Date: Dec 2004 
				Location: Portugal 
				
				
					Posts: 9,694
				 
				
				
				
				
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			Great shot, Miguel. 
		
		
		
		
		
		
		
	Somethingi wouldn't guess  
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