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 203 Volt Ohm Capacity Multimeter Manual $8.99 Read more Hickok KS-5727 Bell System Practices Tube Tester Manual $8.99 Read more Hickok 532 Dynamic Mutual Conductance Tube Tester Manual $9.99 Read more Hallicrafters SX-115 SX115 Communications Receiver Manual Ham Radio $13.99 Read more