EICO 635 Tube Tester Manual with 1976 Tube Test Data

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 5x7" booklet.
Real Paper Manual. Quality Printed and Comb Bound. Printed from available copy or scanned from original at 600dpi, restored in Photoshop, Laser printed on premium acid free paper, they will serve for years. Most manuals Include foldout of Circuit Diagram. Cover page printed on Cover Stock.