Two Parallel Necks Multiple Adapter, 19/26 Socket and 34/35 Cone, Borosilicate Glass Subcategory_Reagent Bottles Unequal-wheel pulley with a 2-inch

Unequal-wheel pulley with a 2-inch and a 1

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

Dual-range 1V and 5V multiplier for galvanometer conversion

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

Stabilizer-free Bunsen burner runs on natural gas for routine heating in chemistry and biology classroom laboratories

Two Parallel Necks Multiple Adapter, 19/26 Socket and 34/35 Cone, Borosilicate Glass Subcategory_Reagent Bottles Unequal-wheel pulley with a 2-inchMultiple adapter in heavy duty borosilicate glass features two parallel necks with 19 26 sockets for connecting multiple components in apparatus.