Description
Used to demonstrate parallel-circuit current and brightness behavior
sized as bulb-spares for three-cell battery packs and ray-box optics work in physics labs
Erlenmeyer flasks
Cut-away 17-inch active volcano model reveals magma chamber
Round Stop Clock Subcategory_Wash Bottles Used to demonstrate parallel-circuit currentStove enameled metal cased laboratory stop clock with minute and second sweep hands, a left side start stop lever, and a right side zero reset, running 24 hours on a single winding.
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