Hand mnemonics were once commonplace—to learn language, teach music, memorize systems, or calculate time.
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<img src="https://themorningnews.org/images/made/images/content/cards/chinese-rime_890_674_80.jpeg" />
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Hand mnemonics were once commonplace—to learn language, teach music, memorize systems, or calculate time.
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<p><a href="https://publicdomainreview.org/essay/handy-mnemonics">↩︎ Public Domain Review</a></p>
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