The Jackson Model 115 DYNAMIC tube tester incorporates circuits of the most advanced design and accuracy used in evaluating the quality of elec- tron tubes. The VINTAGE JACKSON TUBE Tester Chart Supplement Tube Model 103 634 636 637 Rare - $10.00. FOR SALE! Vintage Jackson Chart Supplement just bought a huge lot of Here is a manual for the Jackson 115 Dynamic tube tester. I believe the 715 uses identical layout and components in a different case.115 was sold in 1952, 'NEW' UPDATED & ADDED MATERIAL 5/15/2010 {RARE} JACKSON MODELS 715/115 DYNAMIC TUBE TESTER Operating Instructions Manuals + Schematics. 'NEW' UPDATED & ADDED MATERIAL {RARE} JACKSON MODELS 715/115 DYNAMIC TUBE TESTER Operating Instructions Manuals + Schematics + with 26 pages of Extra Tube Get the best deals on Jackson Vacuum Tube Testers when you shop the largest online selection Jackson 648 Improved Tube Tester Manual with Tube Test Data.