Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Glass Funnels_Dropping Funnels 4A single-phase rheostat with cover-protected

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

Folds flat into a metal pocket frame and opens into a 5x linen tester with an integrated measurement scale

and total internal reflection demos

used to safely bleed accumulated charge from Leyden jars

pyrotechnic seatbelt actuation

Stainless Steel 3-Prong Cork-Lined Clamp, 90mm Capacity Glass Funnels_Dropping Funnels 4A single-phase rheostat with cover-protectedStainless 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.