Template:Did you know nominations/Frog galvanoscope
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Revision as of 16:53, 16 December 2015 by imported>Spinningspark (nominating Frog galvanoscope)
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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?
- Reviewed: Staten Island Railway
Moved to mainspace by Spinningspark (talk). Self-nominated at 16:53, 16 December 2015 (UTC).