Description

Glass-tube-housed NTC thermistor at 4

and triple bonds

supporting both additive and subtractive color demonstrations in optical box setups

six steel wires carrying 20 beads each for hands-on instruction in counting

used to demonstrate standing waves in air through powder-pile node spacing measurements

Semicircular Acrylic Block, 90 x 25mm Material_Bristle Glass-tube-housed NTC thermistor at 4Thicker 90 by 25mm acrylic semicircular block with polished sides, the deeper body extending the visible refraction path for ray box and Snell's law refraction studies.

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Semicircular Acrylic Block, 90 x 25mm Material_Bristle Glass-tube-housed NTC thermistor at 4

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