![Supreme 89 "Deluxe"](images/supreme89tubetester.jpg)
Supreme 89 "Deluxe"
1936
The Supreme 89 is a tube tester and multimeter capable of measuring voltage and resistance intended for laboratory or workbench use. Test leads and cord are stored in the small compartment with a door seen at the top rear of the tester, and there is a pull out tube chart at the bottom of the tester available as a PDF here.
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Jon Stanley