Internal Gear and Pinion Drive Mechanical Demonstration Model Glass Bottles_Aspirator Bottles knee and curtain airbags

knee and curtain airbags

and workshop tasks

with alphanumeric position labels and a stacking design for organized molecular-biology workflows

Element-stamped 20mm solid iron cube marked (Fe) for density

Jointed Liebig condenser in borosilicate glass measures 16cm with 14/23 glass connectors for distillation and reflux procedures

Internal Gear and Pinion Drive Mechanical Demonstration Model Glass Bottles_Aspirator Bottles knee and curtain airbagsHand cranked internal gear and pinion between two clear plastic plates, with dual rotation dials for quantitative analysis of gear ratios and rotary motion transmission.