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History of the manufacturer  

Ranger Examiner, USA

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Name: Ranger Examiner, USA    (USA)  
Abbreviation: ranger-ex
Products: Model types Others

Ranger Examiner, sold by Radolek, Chicago. Catalog 1938,


This manufacturer was suggested by Vitor Oliveira.

Some models:
Country Year Name 1st Tube Notes
USA  38 440-540 Two Unit Combination Testers    
USA  38 640 Free Point Tester    
USA  38 540 Signal Generator    
USA  38 440 Tube Tester    
USA  38 740 Volt-Ohm-Milliameter    
USA  38 557 All Wave Signal Generator 30   
USA  38 735 D. C. Volt-Ohm-Milliameter    
USA  38 640-740 Two Unit Combination Testers    
USA  38 540-740 Two Unit Combination Testers    
USA  38 840 [Foundation Oscilloscope] 84 


Further details for this manufacturer by the members (rmfiorg):