For sale is reprint of EICO Model 666 Dynamic Conductance Tube & Transistor Tester manual. Comes with Tube Test Data. Includes 12 Page 666-05 tube chart supplement.
Manual is 15 pages long, Includes part list, 11×17 foldout of Circuit Diagram and troubleshooting sections. Tube Test Data dated Jan 1st 1978 is 28 pages long. This is the latest version tube test data available for this Eico tester. Data chart includes many tubes not on tester’s roll chart.