電鐘結構演示儀

此電鐘之設計有清楚之機械結構演示之用, 有關其電感線圈, 拷打機關構造都顯露出來, 十分適合作教學用途。儀器95%由金屬製造, 堅固耐用, 拷打動作準確可靠
Item no : JHL 952

Electric Bell Demo Apparatus
Clearly to display the structure of electric bell, e.g. induction coil, hammering system, contact point system. 95% metal made, hard and durable design
Item no : JHL 952

 

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