Product code: Vintage Supreme Instruments Corp Model 589-A popular Portable Battery Vacuum Tube Tester
This is untested. I freed up the rusty hinges but have done no testing. The cord is stiff but appears undamaged (so far!). Leather handle still works. Sold as is, for parts. popular Looks pretty still!.
This is untested. I freed up the rusty hinges but have done no testing. The cord is stiff but appears undamaged (so far!). Leather handle still works. Sold as is, for parts. popular Looks pretty still!.