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We get in a few testers from time to time, and are now offering some for sale. Shipping is additional. We have tried to describe them as accurately as possible. Please email with any questions.
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| Military I-177-B - VERY clean original inside and out. This is a true transconductance tester. Includes original manual inside lid, but additional manuals, schematics, and chart updates are available for free on online. SOLD.
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| MX-949 A/U - This is the extra socket adapter for the I-177 series of tube testers. Comes with test setup booklet. This example was made by Northern Electric for the Canadian Air Force. The unit is clean inside, but has some scrtatches on the outer wrinkle finish. SOLD |
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| Military I-177-B - VERY clean original inside and out. This is a true
transconductance tester. Includes original manual inside lid, but
additional manuals, schematics, and chart updates are available for free
on online. SOLD
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