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2026-10-09
- 170 new manuals added in aes, alinco, bitsavers, b&k, century, collins, dovetron, ebooks, eico, electric-eye, freq-electronics, goodwill, hickok, johnson, kantronics, micronta, military, national, rca, scientific_radio, sencore, sylvania, tennelec, triplett, uniden, and xyz.
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2026-10-21
- New beta site for public review.
72-720
readme
Manual with schematic and calibration procedure for a Tenma 72-720 Oscilloscope for you. It was also sold as the Elenco MO-1251, JDR Instruments Model 2000, Hung Chang OS-620, Neotronics OS-620, Kiotto OS-620 It shares some strong resemblences to the Goldstar OS-7020A but with a reorganized layout.
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