Description

and image-formation experiments in introductory optics

Hundred-ohm 1

and simple-machine force-motion measurements

Open back reveals spine and posterior musculature while the head section preserves upper-body context

Cut-away 17-inch active volcano model reveals magma chamber

Ray Box with Magnetic Base, 12V 21W Category_Plasticware and image-formation experiments in introductoryMagnetic base anchors the metal cased unit to benches and steel boards, while variable focus produces five parallel beams that a shutter masks selectively. Ships with a 12V 21W bulb.

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Ray Box with Magnetic Base, 12V 21W Category_Plasticware and image-formation experiments in introductory

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