For sale is reprint of Hickok 800 Dynamic Mutual Conductance Tube Tester manual. Manual is 19 pages long and includes 11x17" foldout of Circuit Diagram.  Manual comes with Part list Operating Instructions and Circuit Diagram. Included is 6 page Ballast Tube test data. Manual is dated 1958.  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.