Description

equipped with heavy sliders whose fine index marks give repeatable readouts for image-formation and focal-length measurements

5 inches) make north and south poles instantly identifiable during attraction

Meter-stick optical bench fitted with two supports

teaching electromagnetism

Metal Stand for Magnetic Needle, 4.5" Tall Human Anatomy_Human Skeletons & Bones equipped with heavy sliders whoseNon magnetic metal pillar topped with a carbon steel point on a 2. 25 inch base raises a magnetic needle to a 4. 5 inch height for free spinning compass and magnetometer demonstrations.

Exchange/Return Notes

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Metal Stand for Magnetic Needle, 4.5" Tall Human Anatomy_Human Skeletons & Bones equipped with heavy sliders whose

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