A spring that is wound like a spiral.
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"Spiral spring" Quotes from Famous Books — Scientific American, Volume XXXVI., No. 8, February 24, 1877 • Various — Cyclopedia of Telephony & Telegraphy Vol. 1 - A General Reference Work on Telephony, etc. etc. • Kempster Miller |
Words linked to "Spiral spring" : spring, hairspring |
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