Model kolesa in osi
Gelsonlab HSPD-054 Model koles in osi za poučevanje
Model kolesa in osi is great for teaching about mechanics and conservation of energy - the plastic stepped pulley is fitted with a ball bearing on a single steel rod. It uses any standard right angle clamp to attach to a support stand.Štiriplastni stolp, premer je bil 105 mm / 65 mm / 50 mm / 35 mm. Dolžina palice 120mm.