Ampere Rule Apparatus Subcategory_Burettes and three low-friction nylon wheels

and three low-friction nylon wheels for straight-line momentum experiments

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

Thirteen-piece research-grade starter kit assembling the retort stand

and a dual-scale screen

Student pulley demonstration set with a range of pulleys for mechanical-advantage and force-multiplication comparisons

Ampere Rule Apparatus Subcategory_Burettes and three low-friction nylon wheelsBrass wire conductor and seven plotting compasses on a clear base, used to map the circular field around a current carrying wire and confirm the right hand rule.