Excerpt from the tube collection of Michael Mischke. These images (tube photos) were uploaded to the respective tubes or valves by Michael Mischke.
	
	
	
		
			 
			
				
					| HA12136 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA12182 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA13478 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA17384 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA17458 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA118019 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HA118217 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| HAN3161 | 
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					| Common type USA tube/semicond. | 
					USA | 
				 
				
			 
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					| HAN6292 | 
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					| Common type USA tube/semicond. | 
					USA | 
				 
				
			 
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					| HBR16200 | 
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					| Common type China (PRC) tube... | 
					PRC | 
				 
				
			 
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					| HD04 | 
					 | 
				 
				
					| Common type USA tube/semicond. | 
					USA | 
				 
				
			 
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					| HD63B03X | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD44100 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| HD153724 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD404019 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| HD404719 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
		 | 
		
	
		
			 
			
				
					| HD4074618 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD6417095 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD6432197 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD6433212 | 
					 | 
				 
				
					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HD6433977 | 
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					| Hitachi Ltd.; Tokyo | 
					J | 
				 
				
			 
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					| HDC25D811 | 
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					| Common type South Korea tube... | 
					ROK | 
				 
				
			 
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					| HE8P160 | 
					 | 
				 
				
					| Common type China (PRC) tube... | 
					PRC | 
				 
				
			 
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					| HE60188 | 
					 | 
				 
				
					| Common type China (PRC) tube... | 
					PRC | 
				 
				
			 
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					| HE60368 | 
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					| Common type China (PRC) tube... | 
					PRC | 
				 
				
			 
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					| HEF4013B | 
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					| Philips; Eindhoven (tubes in... | 
					NL | 
				 
				
			 
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					| HER202 | 
					 | 
				 
				
					| Common type Worldwide tube/s... | 
					ZZ | 
				 
				
			 
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					| HER207 | 
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					| Common type Worldwide tube/s... | 
					ZZ | 
				 
				
			 
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					| HER208 | 
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					| Common type Worldwide tube/s... | 
					ZZ | 
				 
				
			 
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					| HER302 | 
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					| Common type Worldwide tube/s... | 
					ZZ | 
				 
				
			 
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	Michael Mischke started his/her tube collection (valve collection) here on 28.Dec.2005.
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