Description

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

and internal organelles for detailed protist biology teaching

front and rear O2 sensors

Liquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent

Round Convex Glass Mirror, 75mm Diameter, 200mm Focal Length Material_Steel Wooden fulcrum-balance simple-machine model withConvex glass mirror at 75mm diameter and 200mm focal length, ~3. 1mm thick, the longer focal value softening divergence and producing a wider apparent field through reduced virtual reflections.

Exchange/Return Notes

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Round Convex Glass Mirror, 75mm Diameter, 200mm Focal Length Material_Steel Wooden fulcrum-balance simple-machine model with

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