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Observation of polarity through electric charge detection
5V battery
Bladder with prostate
100X) and WF10X/18X eyepieces for precise and detailed observations
Comes with battery - Easy to replace by unscrewing the bottom screws
Photo-Electric Cell, Base & Terminals, C/W 90 CG Tube Observation of polarity through electricIEC Photoelectric Cell on Base with Terminals and 90CG Photoelectric Tube. Premium Quality: Photo Electric Cell 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 different sizes design, please contact us.
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