Worm Gear Drive Mechanical Demonstration Set Subcategory_Racks and Stands Built to grip round flasks

Built to grip round flasks and condensers during distillation or reflux

Nine removable sections expose cortical hemispheres

supporting both qualitative and quantitative force-vs-distance student investigations

this Melde's vibrating string apparatus pairs an oscillator-driven string with a mass tray that adjusts tension to determine wavelength

with a 2-pole armature

Worm Gear Drive Mechanical Demonstration Set Subcategory_Racks and Stands Built to grip round flasksHand cranked worm and wheel drive with a rotation dial between clear acrylic plates, illustrating the high ratio speed reduction and self locking action of worm gearing.