File:R1-Cut Quart equation1 1.jpg

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Invention of Temparature- Insensitive Quartz Oscillation Plate Enabling HIghly Stable Communications and Clocks, 1933
jpeg image of equation 1

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current06:34, 8 January 2016Thumbnail for version as of 06:34, 8 January 20162,362 × 236 (36 KB)R1CUTQUARTZ (talk | contribs)Invention of Temparature- Insensitive Quartz Oscillation Plate Enabling HIghly Stable Communications and Clocks, 1933<br /> jpeg image of equation 1

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