Jimmie Stewart wrote:
...all of the socket adapters of that type are the same.
http://oldradios.50webs.com/precision/g-140.pdf.
Jimmie Stewart
Actually,no they're not.When I sold the G-140 I had recently(about $30),the person who bought it was concerned about it working with his tester.I looked at the Eico/Coletronics and Precision schematics and noticed that there are some socket wiring differences between them.