Battery Eliminator, 1A, Alternate Model Material_Polyethylene Pack of 50 solid rubber

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

9-piece organic chemistry glassware kit features 14/23 joint sizes for comprehensive distillation

Adjustable flash-frequency control across this improved stroboscope lets students isolate periodic motion from rotating machinery

and a refractive-fluid vessel form the core of this 28-piece geometric optics workstation

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

Battery Eliminator, 1A, Alternate Model Material_Polyethylene Pack of 50 solid rubberUsed 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.