Description

drawing both DC and AC simultaneously with short-circuit protection via a 0

Student pulley demonstration set with a range of pulleys for mechanical-advantage and force-multiplication comparisons

providing a stable platform for prisms

Step-down transformer matched to a 35-watt sodium lamp on a 220V AC mains supply

Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color drawing both DC and ACBuilt for invertebrate study, this large earthworm dissection model reveals segmentation, nephridia, and digestive tract for annelid anatomy teaching.

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Large Earthworm Dissection Anatomical Model, 19 x 7 inch Light & Optics_Color drawing both DC and AC

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