Linen Tester Magnifier with Foldable Metal Frame, 5x Subcategory_Force and Motion this concave glass mirror at

this concave glass mirror at 100mm focal length runs at f/1 for vivid real-image demos and converging-reflection work

this physics force table includes pulleys

panel-mounted with 4mm sockets and an enclosed earth pin for safe wiring during induction and AC ratio demos

this set turns standing-wave acoustics into a hands-on length measurement

Electromagnet-driven at approximately 80Hz with a captive thumbscrew on one prong for Melde's experiment

Linen Tester Magnifier with Foldable Metal Frame, 5x Subcategory_Force and Motion this concave glass mirror atFolds flat into a metal pocket frame and opens into a 5x linen tester with an integrated measurement scale, distortion free for textile thread counts and fine pattern inspection.