Battery Eliminator, 1A, Alternate Model Material_Polyethylene 25 inches long

25 inches long

500 and 1000 lines/mm gratings

sized so that students can compare its uniform-curvature surface charge against sphere and cone partners in the conductor set

5 inch specific gravity cylinder with a top hook for spring-scale massing

Pack of 50 solid rubber stoppers in assorted sizes provides acid and alkali resistance for comprehensive laboratory vessel sealing applications

Battery Eliminator, 1A, Alternate Model Material_Polyethylene 25 inches longUsed to replace dry cell stacks at the bench, this 1A battery eliminator handles AC and DC simultaneously to power circuit experiments without rotating in fresh disposable batteries.