ŠJ.S.
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Note that most of the manuals I have for these tube testers are now available as PDF scans for download. If you need a scan that is not available here then most likely I do not have the manual in PDF form and I do not have the time to make more scans. For those who paid me to make scans before the PDFs were made available for download, thank you for the support.
Accurate Instrument CRT Tester, model 159
This late 40s-50s CRT tester is made by Accurate Instrument Co., model 159. This CRT tester is unique considering the fact it does not require a tube chart like most tube testers. This CRT tester was designed to test all kinds of B/W and color CRTs (at its time), and also can rejuvenate (restore) weak CRTs that pass an inital test.
Eico 667
The Eico 667 tests tubes mostly from the 1940s to 1960s, such as octals, lockals, miniatures, and subminiatures. This tube tester also is equipped with a transistor tester.
Knight KG-600B
The Knight KG-600B is a very useful tube tester that can test various tubes from the 1930s to 1950s, such as 4-pin, 5-pin, 6-pin, octals, miniatures, etc.
Mercury 1100A
This Mercury 1100A tube tester tests mostly miniatures, compactrons, and some octals (mostly tubes from the late 1940s to 1950s). The manual and tube chart are available here for download: mercury1100manual.pdf (3.1MB) and mercury1100chart.pdf (14MB).
Readrite 430
This is a nice old Readrite 430 tube tester with a Triplet meter. If my sources are correct, it was made in 1937. The cabinet is not in good shape (probably due to bad storage), but the original chart is still in good shape. Several revisions of the chart and instructions are available here for download: readrite430.pdf (3.3MB).
Simpson 1000
This Simpson 1000 is a very good tube tester that can test various tubes like the Knight KG-600B.