|  | 
| 
			 
			#1  
			
			
			
			
			
		 | |||
| 
 | |||
|  19 set book 
			
			Crystal Calibrator working instructions book. Dated 2nd Aug 1940. Clean and useable. Minor marks on back of back cover. Postpaid $18.00 | 
| 
			 
			#2  
			
			
			
			
			
		 | |||
| 
 | |||
|  19 set book 
			
			Book sold ....... Thanks
		 | 
|  | 
| 
 | 
 |