Template:Did you know nominations/Frog galvanoscope

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Revision as of 16:42, 19 December 2015 by imported>Cowlibob (bold)
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Frog galvanoscope

  • ... that the frog galvanoscope is tens of thousands times more sensitive than electromagnetic galvanometers available in the early nineteenth century?

Moved to mainspace by Spinningspark (talk). Self-nominated at 16:53, 16 December 2015 (UTC).