EICO 635 Tube Tester Manual with 1976 Tube Test Data

$9.99

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Description

For sale are reprints of EICO Model 635 Tube Tester User Manual and Tube Test Data. Manual was released by Coletronics Service. 

User Manual is 4 pages long, Includes part list and Circuit Diagram. 40 page Tube Test Data is dated July 1976 includes many tubes not on tester’s roll chart. Tube test data was enlarged from 5×7″ booklet.  

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