Mercury 1000 Tube Tester Tube Chart Updated 1971 version

$8.49

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For sale is reprint of Mercury 1000 Mutual Conductance Tube tester Tube Chart. 65 pages in total.

Tube chart is 54 pages long, dated July 1970. Also included is 2 page supplement dated July 1970, 2 pageĀ  dated December 1970, 3 page Dated March 1971, 4 page dated July 1971. If you own Mercury 1000 tube tester and your chart is old, this book is a must.

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