History of the manufacturer
Commercial Trades Institute; Chicago (IL)
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Commercial Trades Institute; Chicago (IL) (USA) |
| Abbreviation: | commertrad |
| Products: | Model types |
| Summary: |
Commercial Trades Institute; Chicago Illinois. Institute for electronic education, also measurement equipment like tube testers known. |
| History: |
This manufacturer was suggested by Wolfgang Scheida.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 55 | Tube Checker TC-10 | Commercial Trades Institute TC-10 Tube Checker; One instrument, manual test voltage adjust... | |
| USA | 70 | Tube Checker TC-20 | Tube tester. |
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| Data Compliance | More Information |