Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Glass Funnels_Dropping Funnels and total internal reflection demos

and total internal reflection demos

the complementary-polarity counterpart to NPN for push-pull and bias-network demonstrations

4A single-phase rheostat with cover-protected constantan winding on a 200x56mm tube and 4mm safety socket terminals

Rat dissection model demonstrates rodent anatomy

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Glass Funnels_Dropping Funnels and total internal reflection demosStainless steel three prong laboratory clamp with cork lined jaws opening up to 100 mm, tightened by a tommy bar thumbscrew for secure, scratch free support of flasks.