WESTON MODEL 798 TYPE2 TUBE TESTER MANUAL Sorry, this product cannot be purchased. $9.99 Category: Weston Description Description For sale is reprint of Weston Model 798 Type 2 Proportional Mutual Conductance Tubechecker Manual. Manual was scanned from high quality photocopy. Manual does not include part list or circuit diagram. Related products Weston 779 type 5A Analyzer Manual $8.99 Read more Weston 788 Navy Model OQ-3 Tube Tester Manual $11.99 Read more Weston 785 type 6 Industrial Circuit Tester Manual $8.99 Read more Weston 978 Tube Test Data $10.99 Read more