Weston 978 Tube Tester Instruction Manual




For sale is reprint of Weston Model 978 Tubechecker Manual. Manual is 48 Pages long, dated June 1950. Manual includes Part list and Circuit Diagram.

 Manual consists of 7 sections: General Description, Theory Of Operation, Installation and Adjustment, Operation, Preventive and Corrective Maintenance, Illustrations.  Manual was created for Civil Aeronatics Administration and is very detailed and complete.