HICKOK CARDMATIC KS-15874-L1 TUBE TEST CONDITIONS Sorry, this product cannot be purchased. $6.99 Category: Hickok Description Description For sale is reprint of Hickok Cardmatic KS-15874-L1 Tube Test Conditions tables. Manual is 7 pages long. Related products Hickok 660 Color Bar Generator Operating Manual $8.99 Read more 1970 Tube Test Data for Hickok 539B and 539C Tube Testers $7.99 Read more Hickok KS-5727 Bell System Practices Tube Tester Manual $8.99 Read more Hickok 690 VHF-UHF Crystal Controlled Marker Calibrator Operating Manual $9.99 Read more