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 656 XC Color Bar Generator Operating Manual $9.99 Read more Hickok Model 760 Video Scanner Operating Manual $9.99 Read more Hickok 455 Volt-Ohm-Milliammeter Operating Manual $7.99 Read more Hickok Model 677 Oscilloscope Operating Manual $9.99 Read more