US$ 291.68
and horseshoe magnet that swap by hand
sized for compass-deflection and small-scale field-line investigations
and a motor accessory
and extraocular detail for ophthalmology and sensory anatomy teaching
Metal Lab Accessory Stand Item Type_Shaker and horseshoe magnet that swapHeavy base metal stand with a pillar, lock screw, and engraved index line for reference alignment, supporting optical components, slits, and apparatus in laboratory and demonstration setups.
US$ 291.68
US$ 124.09
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