Parallel and Series Circuit Demonstrator Subcategory_Racks and Stands this natural gas Bunsen burner

this natural gas Bunsen burner mounts on an extended anti-tip cast-iron base

5% accuracy with a 60mm scale

Sixteen-SWG bare constantan wire on a 125g reel — a copper-nickel alloy with a low temperature coefficient that holds resistance steady across a wide temperature range

5-inch diameter

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Parallel and Series Circuit Demonstrator Subcategory_Racks and Stands this natural gas Bunsen burnerFive bulb circuit demonstrator with 8 removable metal bars on a heavy base, letting students rearrange bars to convert between series and parallel topologies on the same set of lamps.