File:R1-cut Quartz Table 1.jpg
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Invention of Temparature- Insensitive Quartz Oscillation Plate Enabling HIghly Stable Communications and Clocks, 1933
jpeg image of Table
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current | 09:19, 8 January 2016 | 2,362 × 1,181 (211 KB) | R1CUTQUARTZ (talk | contribs) | Invention of Temparature- Insensitive Quartz Oscillation Plate Enabling HIghly Stable Communications and Clocks, 1933<br /> jpeg image of Table |
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