Hickok KS-15559-L1 KS-15560-L1 Tube Tester Manual

$9.99

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For sale is reprint of 2 manuals for Hickok KS-15559-L1 KS-15560-L1 Tube Tester made by Hickok for Western Electric. 1st Manual was released by Hickok and is 10 Pages long. 2nd manual is  a 23 page Bell System Practices Manual with 11×17 foldout of schematic diagram. Schematic is dated December 1952. 

Hickok Manual includes 4 page chart with ballast tube testing chart and part list. 

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