Description

and 500mm focal lengths for comparative refraction experiments

covering core dispersion and refraction shapes for ray-box optics work

Hand-cranked friction-wheel drive sandwiched between clear acrylic plates

proglottids

and 3 rods for multi-configuration study

Acrylic Tangent Galvanometer archive-pending and 500mm focal lengths forUsed to demonstrate that a current loop generates a measurable magnetic field, this acrylic 12. 7cm hoop offers 5 10 15 turn taps and an included compass needle for direct deflection readings.

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Acrylic Tangent Galvanometer archive-pending and 500mm focal lengths for

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