Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic Polished non-warping wooden base with

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

forced oscillation

creating open or closed water-head systems for potential-to-kinetic energy studies

letting students quantify how color and finish influence heat uptake during radiation experiments

visualizing Pascal's-principle mechanical advantage directly

Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic Polished non-warping wooden base withChrome plated 60mm reading magnifier extending to a 20cm focal length, the longer focal distance lowering magnification but broadening the visible area on a single page.