Hickok 539B 539C Tube Test Data Book Sorry, this product cannot be purchased. $9.99 Category: Hickok Description Description For sale is reprint of Hickok 539B and 539C Tube Test Data book. Tube Data Book is 84 pages long. General test data section is 23 pages long, Obsolete tube types is 26 pages long, Foreign tube types section is 27 pages. Related products Hickok 656 XC Color Bar Generator Operating Manual $9.99 Read more Hickok 605A Dynamic Mutual Conductance Tube Tester Manual $8.99 Read more Hickok 690 VHF-UHF Crystal Controlled Marker Calibrator Operating Manual $9.99 Read more Hickok Model 760 Video Scanner Operating Manual $9.99 Read more