| Publication Type | Book |
| Authors | Simpson. |
| Source | Simpson Electronic Company., Chicago, IL (1966) |
| Keywords | bibliographic |
| Abstract | Simpson Electronic Company. Simpson: Instruments that Stay Accurate. 260 Add-A-Tester Adapter Operator's Manual. Transistor Tester Model 650. Includes the following sections: General Description, Operating Instructions, Theory of Operation, and Maintenance. |