Hickok 580 580A Obsolete Tube Test Data Book $8.99 Category: Hickok Description Description For sale is reprint of Hickok 580 and 580A Obsolete Tube Test Data book. Manual is 17 pages long. This data book covers tubes no longer covered by tester’s roll chart. Related products Hickok 539B Tube Tester Operating Manual $9.49 Read more Hickok 605A Dynamic Mutual Conductance Tube Tester Manual $8.99 Read more Hickok 455 Volt-Ohm-Milliammeter Operating Manual $7.99 Read more Hickok 690 VHF-UHF Crystal Controlled Marker Calibrator Operating Manual $9.99 Read more