Knight Test Data for 600 Series Tube Testers dated 1965

Description

For sale is reprint Knight Tube Test data for 600 series testers. Book is 17 pages, dated 07/01/1965.
If you purchased one of those testers from Ebay and it did not come with Tube Test Data or your roll is out of date, here it is.
Real Paper Manual. Quality Printed and Comb Bound. Printed from available copy or scanned from original at 800dpi, 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.