Precision Tube Test Data for 910 912 914 915 920 922 254 Tube Testers

$9.99

Description

For sale is reprint Precision Apparatus Company Tube Test data for testers: 910, 912, 914, 915, 920, 922, 954. Book is dated 08/01/1965 for use with Roll Chart DRC G-2B. Book is 32 pages long.

If you purchased one of those testers from Ebay and it did not come with Tube Test Data or your roll is out of date, here it is.

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