Precision Supplementary Tube Test Data for 10-40 Tube Testers

$9.99

Description

For sale is reprint of Precision Apparatus Company Supplementary Tube Test data for 10-40 Tube Tester. Book is 25 pages, form MR-40(HB). Also included is 1 page “voltage regulator and voltage reference test data”, 3 page addendum and 5 page addendum dated 5-61.

If you purchased one of those testers from Ebay and it did not come with Tube Test Data or your roll is out of date, here it is.

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