![]() ![]() Precision Tube Test Data for 612 614 620 654 Tube Testers For sale is reprint Precision Apparatus Company Tube Tester model 612. Restored in Photoshop, Laser printed on premium acid free paper, they will serve for years. ![]() Printed from available copy or scanned from original at 600dpi. No fancy Typeface Font but manual is clear and readable. Looks like Manual was typed on typewriter and Mimeorgraphed as it was printed one sided. If you purchased one of those testers from Ebay and it did not come with Manual, Test Data or your roll is out of date, here it is. 2 Page Supplementary Tube Chart ERC 9-50. 12 Page Tube Test Data was made by Coletronics and replaces roll chart ERC(G2B) 49 Page Supplementary Tube Chart ERC 9-1-69 for use with Chart ERC(G2B) 1 Page Supplementary Tube Chart ERC-1-48, 1 Page Supplementary Tube Chart ERC 1F, 1 Page Supplementary Tube Chart ERC 3-58, 2 Page Supplementary Tube Chart ERC 3E, 1 Page Supplementary Tube Chart ERC 7E, 1 Page Supplementary Tube Chart ERC 9F, 1 Page Supplementary Tube Chart ERC FS, 1 Page Supplementary Tube Chart ERC 10-58, 5 Page Supplementary Tube Chart ERC DG, 8 Page Supplementary Tube Chart ERC GH, 3 Page Supplementary Tube Chart ERC GF, 1 Page Supplementary Tube Chart ERC 12F, 3 Page Supplementary Tube Chart ERC KE. more 92 Pages of Tube Test Data is included. Manual comes with Part List and Circuit Diagram. For sale is reprint Precision Apparatus Company Tube Tester model 612 and 614 Manual. ![]()
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