30m Fiberglass Tape Measure with PVC Cover, Metric and Imperial LabLearner Wooden fulcrum-balance simple-machine model with

Wooden fulcrum-balance simple-machine model with a sliding pivot

25 inches thick with a 0

sized so students can see the moving-coil mechanism while it reads

sized to fill the gap between 100-ohm and 1k values for fine-grained voltage-divider investigations

this Hall's car supports dynamics work on inclined planes with weights and pulleys

30m Fiberglass Tape Measure with PVC Cover, Metric and Imperial LabLearner Wooden fulcrum-balance simple-machine model withDual metric and imperial markings on this PVC coated fiberglass thirty meter tape measure, housed in a vinyl covered zinc steel case with a fold out winding handle for field work.