Ratta ja telje mudel
Gelsonlab HSPD-054 rataste ja telgede mudel õpetamiseks kasutamiseks
Ratta ja telje mudel 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.Neljakihiline torn, läbimõõt oli 105mm / 65mm / 50mm / 35mm. Varda pikkus 120mm.