一體成型塑膠手提箱(設計可當本實驗板基座)。
尺寸：370×290×80mm。
電路面板採用白色高級塑膠板，精美印刷電路線圖，裝有方形電壓計及電流計各1個、100歐姆可變電阻1個、電池座1個、開關1個、接線柱10個
附有導線及插頭 1組，電池1個。
White plate cearly circuit built with 1 current meter and voltage meter, 1 battery holder, 1 switch, 10 connection terminals, 100Ω variable resistor, mounted on a 370×290×80mm plastic portable box as a basement, opperated in any place. Includes a pair of leading cord cord with banana plug connector.
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