Excerpt from the tube collection of Michael Mischke. These images (tube photos) were uploaded to the respective tubes or valves by Michael Mischke.
	
	
	
		|   
				
					| NE5532 |  |  
					| Philips; Eindhoven (tubes in... | NL |  |   
				
					| NET2270 |  |  
					| Common type USA tube/semicond. | USA |  |   
				
					| NJM072 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM592 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2003 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2073 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM2100 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2267 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2268 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM2360 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2582 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM2587 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM2904 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM3414 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM4556 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM4558 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM4565 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJM4580 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJM5532 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJU3718 |  |  
					| Common type Japan tube/semic... | J |  |   
				
					| NJU7201 |  |  
					| Common type Japan tube/semic... | J |  | 
		
	
		|   
				
					| NJU7313 |  |  
					| Common type Japan tube/semic... | J |  |   |   
				
					| NMC27C16 |  |  
					| Common type USA tube/semicond. | USA |  | 
		
	
		|   
				
					| NMC27C256 |  |  
					| Common type Worldwide tube/s... | ZZ |  |   
				
					| NPCA110 |  |  
					| Common type Taiwan tube/semi... | TW |  |   
				
					| NS8KT |  |  
					| Common type USA tube/semicond. | USA |  | 
		
	
		|   
				
					| NSDU05 |  |  
					| Common type USA tube/semicond. | USA |  |   
				
					| NSP6240 |  |  
					| Common type China (PRC) tube... | PRC |  |   
				
					| NSS43 |  |  
					| Sator (brand of Tungsram for... | H |  | 
		
	
	
	
	Michael Mischke started his/her tube collection (valve collection) here on 28.Dec.2005.
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