EICO 628 Emission Tube Tester Manual $8.99 EICO 628 Emission Tube Tester Manual quantity Add to cart Category: EICO Description Description For sale is reprint of EICO Model 628 Emission Tube Tester manual. Comes with Two 11×17″ foldouts of part list and circuit diagram. Manual is 12 pages long, Includes part list, Diagram and maintenance sections. Related products EICO Model 1020 Power and Bias Supply Instruction Manual $7.99 Add to cart EICO Model 377 Sine and Square Wave Audio Generator Instruction Manual $7.99 Add to cart EICO Model 753 Tri-Band Transceiver Operating Manual $9.99 Add to cart EICO Model 955 In-Circuit Capacitor Tester Instruction Manual $8.99 Add to cart