Description
and 38mm lens holder - an inexpensive starter platform for image-formation experiments
circulatory
5-inch magnifying glass at 2
Converts flowing-water kinetic energy into electricity through a mini water turbine coupled to a dynamo
5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter
Simple Machines Wheel and Axle Model Subject_Physics and 38mm lens holder -Wooden wheel and axle simple machine model on a 9. 5x3. 375 inch base, demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle.
Exchange/Return Notes
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