Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
	
	
	
		
			 
			
				
					| GF105 | 
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					| Werk für Bauelemente der Nac... | 
					D | 
				 
				
			 
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					| GF121 | 
					 | 
				 
				
					| Werk für Bauelemente der Nac... | 
					D | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| GF130 | 
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					| Werk für Bauelemente der Nac... | 
					D | 
				 
				
			 
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					| GF132 | 
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					| Werk für Bauelemente der Nac... | 
					D | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| GF137 | 
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					| Werk für Bauelemente der Nac... | 
					D | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| GF147 | 
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					| Röhrenwerk "Anna Seghers" Ne... | 
					D | 
				 
				
			 
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					| GH1101 | 
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					| Celsior (tubes), Radio-Celsi... | 
					F | 
				 
				
			 
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					| GH-2392-12E | 
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					| Raytheon Mfg. Co.; Cambridge... | 
					USA | 
				 
				
			 
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					| GI2404 | 
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					| Common type Worldwide tube/s... | 
					ZZ | 
				 
				
			 
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					| GJR312Z | 
					 | 
				 
				
					| Osram GmbH KG; Berlin | 
					D | 
				 
				
			 
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					| GL-446A | 
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					| General Electric Co. (GE); B... | 
					USA | 
				 
				
			 
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					| GLe10000/025/1 | 
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					| Siemens (& Halske, -Schucker... | 
					D | 
				 
				
			 
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					| GLK34-04 | 
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					| Werk für Fernmeldewesen (OSW... | 
					D | 
				 
				
			 
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					| GLX800 | 
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					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GP1U28X | 
					 | 
				 
				
					| Common type Japan tube/semic... | 
					J | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| GP119 | 
					 | 
				 
				
					| Halbleiterwerk Frankfurt /Od... | 
					D | 
				 
				
			 
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					| GP120 | 
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					| Halbleiterwerk Frankfurt /Od... | 
					D | 
				 
				
			 
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					| GP121 | 
					 | 
				 
				
					| Halbleiterwerk Frankfurt /Od... | 
					D | 
				 
				
			 
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					| GP122 | 
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					| Halbleiterwerk Frankfurt /Od... | 
					D | 
				 
				
			 
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					| GR16 | 
					 | 
				 
				
					| Cerberus AG, Schweiz | 
					CH | 
				 
				
			 
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					| GR17 | 
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					| Cerberus AG, Schweiz | 
					CH | 
				 
				
			 
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					| GR20-12 | 
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					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR22-76 | 
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					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR22-214 | 
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					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR28-40 | 
					 | 
				 
				
					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR100M | 
					 | 
				 
				
					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR100Z | 
					 | 
				 
				
					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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					| GR150/A | 
					 | 
				 
				
					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| GR150/K | 
					 | 
				 
				
					| Deutsche Glimmlampen GmbH, (... | 
					D | 
				 
				
			 
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	Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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