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 660 Color Bar Generator Operating Manual $8.99 Read more Hickok 752 Tube Tester Complete Manual with Tube Data +CA4 Data $16.49 Read more Hickok Model 760 Video Scanner Operating Manual $9.99 Read more Hickok Model 691 Heterodyned Marker Adder Operating Manual $9.99 Read more