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 700 Dynamic Mutual Conductance Tube Tester Manual $10.99 Read more Hickok 388 388X CD In-Line Tester Manual $11.99 Read more Hickok 656 XC Color Bar Generator Operating Manual $9.99 Read more Hickok Model 620 Linear Pattern Generator Operating Manual $8.99 Read more