Hickok 580 580A Obsolete Tube Test Data Book Sorry, this product cannot be purchased. $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 Model 677 Oscilloscope Operating Manual $9.99 Read more Hickok 605A Dynamic Mutual Conductance Tube Tester Manual $8.99 Read more Hallicrafters SX-115 SX115 Communications Receiver Manual Ham Radio $13.99 Read more Hickok 539B Tube Tester Operating Manual $9.49 Read more