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When a Ball or Ring on a handle is heated
It can demonstrate the structure and principle of DC generator and AC generator
Premium Quality: Lamp Holder Board is made of high-grade construction all the way through
The apparatus is for measuring and analyzing gas given off by plants
Lamp Holder Board - Triple Skeleton Models When a Ball or Ring3 lamp holder boards. Size: 5x10". High quality apparatus for studying series and parallel circuits. A comprehensive activity manual and lamps are included. Premium Quality: Lamp Holder Board is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with
US$ 80.00
US$ 19.99
US$ 15.99
