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 605A Dynamic Mutual Conductance Tube Tester Manual $8.99 Read more Hickok 600A 600-A Tube Tester Manual $8.47 Read more Hickok 656 XC Color Bar Generator Operating Manual $9.99 Read more Hickok PS-503 Solid State Regulated Power Supply Operating Manual $8.99 Read more