Heathkit TT-1A Tube Tester - Supplement Test Data Sheets (1978)

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Heathkit TT-1A Tube Tester - Supplement Test Data Sheets (1978):
$12.99

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New Heathkit TT-1A Tube Tester Supplement TestData Sheets from 1978. There are 51 Sheets of Tube Data.

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Heathkit TT-1A Tube Tester - Supplement Test Data Sheets (1978):
$12.99