Description
Pan balance demonstration lever with a low-friction brass pivot
Nine removable sections expose cortical hemispheres
and gamete formation for reproductive biology teaching
Used with standard laboratory filter funnels
exposing the longitudinal and transverse components of wave motion mechanically
Worm Gear Drive Mechanical Demonstration Set Subcategory_Racks and Stands Pan balance demonstration lever withHand 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.
Exchange/Return Notes
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