Hickok 539B 539C Tube Test Data Book $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 Model 677 Oscilloscope Operating Manual $9.99 Read more Hallicrafters SX-115 SX115 Communications Receiver Manual Ham Radio $13.99 Read more Hickok PS-503 Solid State Regulated Power Supply Operating Manual $8.99 Read more Hickok 660 Color Bar Generator Operating Manual $8.99 Read more