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 985 Calibrator Manual $11.99 Read more Weston 779 type 1 Analyzer Manual $8.99 Read more Weston 981 type 3A Tube Tester Manual $8.99 Read more Weston 432 Portable Wattmeter Manual $11.99 Read more