US$ 125.00
paired with electroscopes and pith balls in classic electrostatic-charging investigations
this 80mm steel needle in a 6mm rod doubles as a precise alignment reference for image-formation and ray-tracing setups
the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work
3125 inch thickness
Universal Regulated AC/DC Power Supply Racks & Stands_Funnel Stands paired with electroscopes and pithUniversal regulated AC DC power supply combining a 0 to 5V adjustable DC rail, fixed bipolar 8V and high voltage 125 250V DC outputs, and a 6. 3V AC line for advanced electronics labs.
US$ 125.00
US$ 128.00
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US$ 100.00
US$ 60.00
US$ 28.50
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US$ 125.00
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