Lamp Holder Demonstration Board Science at Home_Physical Science Die-cast body with plated brass

Die-cast body with plated brass parts anchors this cork-lined two-prong universal clamp

Stabilizer-free Bunsen burner runs on liquid propane or butane for routine chemistry heating at the laboratory bench

Magnetic-base pulley with a 50mm ball-bearing plastic wheel

Ranvier-pattern hand microtome uses a screw-thread mechanism for precise specimen advancement during thin-section cutting and microscope slide preparation

delivering the stable filament power required for sustained spectroscopy work

Lamp Holder Demonstration Board Science at Home_Physical Science Die-cast body with plated brassMES bulb in a holder mounted on a demonstration base with 4mm plug connections, supplying a 4. 5V 0. 3A load that lights up to confirm circuit completion in series and parallel demos.