Double Convex Glass Lens, 50mm Diameter, 300-1000mm Focal Length Range Safety Supplies_Eye Protection 42-piece mechanics and thermodynamics kit

42-piece mechanics and thermodynamics kit supports physics investigations through heat transfer

and iron — for water-displacement and direct-measurement comparisons of material density

showing how the center of gravity of a solid passes through its support polygon

integrating with standard projection setups for formative assessment and active engagement

Double Convex Glass Lens, 50mm Diameter, 300-1000mm Focal Length Range Safety Supplies_Eye Protection 42-piece mechanics and thermodynamics kitBuilt for long bench convergence flexibility, a 50mm double convex glass lens spanning 300 1000mm focal lengths gives projection style optics setups a single range rated element.