4-Piece Premium Brass Hanging Weights Set with Top Hook (10g/20g/50g/100g) Pack Size_4 Steeply curved convex glass mirror

Steeply curved convex glass mirror at 50mm diameter and 50mm focal length

Sloping Claisen head in borosilicate glass features two B14 sockets with 29/32 cone for thermometer and dropping funnel connections during distillation

Pack of 10 glass dropping pipettes with narrow mouths holds 1

Sliding-window gold-leaf electroscope with anodized aluminum walls and an internal scale

Stand-mounted lift pump illustrating how atmospheric pressure lifts water through a valve-and-piston mechanism

4-Piece Premium Brass Hanging Weights Set with Top Hook (10g/20g/50g/100g) Pack Size_4 Steeply curved convex glass mirrorTop hook on each of four brass hanging weights at 10, 20, 50, and 100 grams, suspended from balances, springs, and pulleys for force experiments and classroom physics demonstrations.