Demonstration DC Electric Motor Light & Optics_Spectroscopy Molded in one piece with

Molded in one piece with sleeve-bearing wheels

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

mechanical-advantage

Zinc alloy natural gas Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for quick bench hookup in chemistry classrooms

exposing extraocular muscles alongside internal ocular anatomy for ophthalmology teaching

Demonstration DC Electric Motor Light & Optics_Spectroscopy Molded in one piece withOpen frame demonstration DC motor exposing armature, brushes, commutator, and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit.