Two Parallel Necks Multiple Adapter, 19/26 Socket and 34/35 Cone, Borosilicate Glass Subcategory_Reagent Bottles Sliding lamp housing makes the

Sliding lamp housing makes the beam position adjustable

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

sized for resistance coils and thermocouple legs where copper-nickel alloy holds its value across temperature swings

Six-slot polished wood rack with integrated draining pins holds 25mm test tubes and supports post-wash inversion drying in teaching chemistry labs

Compact-turn 28 SWG bare copper wire on a 250g reel approximating 800 feet

Two Parallel Necks Multiple Adapter, 19/26 Socket and 34/35 Cone, Borosilicate Glass Subcategory_Reagent Bottles Sliding lamp housing makes theMultiple adapter in heavy duty borosilicate glass features two parallel necks with 19 26 sockets for connecting multiple components in apparatus.