File:Fig 1.pdf
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Invention of Temperature-Insensitive Quartz Oscillation Plate Enabling Highly Stable Communications and Clocks, 1933: PDF file for Fig. 2.pdf
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current | 02:11, 12 January 2016 | (101 KB) | R1CUTQUARTZ (talk | contribs) | Invention of Temperature-Insensitive Quartz Oscillation Plate Enabling Highly Stable Communications and Clocks, 1933: PDF file for Fig. 1.pdf |
16:03, 11 January 2016 | (1.73 MB) | R1CUTQUARTZ (talk | contribs) | Invention of Temperature-Insensitive Quartz Oscillation Plate Enabling Highly Stable Communications and Clocks, 1933: PDF file for Fig. 2.pdf |
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