Hickok 470A UNISCALE VTVM Instruction Manual Sorry, this product cannot be purchased. $8.99 Category: Hickok Description Description For sale is reprint of Hickok 470A “UNISCALE” VTVM Instruction Manual. Manual is 28 pages Includes Part List and 11×17” Foldout of Circuit Diagram. Manual was enlarged from 8.5×5.5” booklet. Related products 1970 Tube Test Data for Hickok 539B and 539C Tube Testers $7.99 Read more Hickok Model 760 Video Scanner Operating Manual $9.99 Read more Hickok PS-503 Solid State Regulated Power Supply Operating Manual $8.99 Read more Hickok 600A 600-A Tube Tester Manual $8.47 Read more