ジャイロマックス
7月 6th, 2020
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一般的な緩急針の代わりに、テンワ上の偏心錘で緩急を調整するフリースプラングテンプの一種。
偏心錘をテンワ上に置いているため調整が容易なうえ、空気抵抗も小さい。
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