Narrow Mouth Reagent Bottle with 34/35 Hexagonal Hollow Stopper, 2000mL, Borosilicate Glass Lab Equipment_Centrifuges measuring sample acidity on a

measuring sample acidity on a fixed workstation in laboratory quality-control and teaching environments

5-inch optical lens set with three double-convex and three double-concave lenses at 200mm

Aluminum-cast Young's-modulus frame with bubble level

Speed-controlled 6V motor driving two cams pumps four spring-mass systems at any chosen frequency

Forty-eight-piece density super set bundling four 12-bar sets — brass

Narrow Mouth Reagent Bottle with 34/35 Hexagonal Hollow Stopper, 2000mL, Borosilicate Glass Lab Equipment_Centrifuges measuring sample acidity on aNarrow mouth reagent bottle in borosilicate glass holds 2000mL with 34 35 interchangeable hexagonal hollow stopper for chemical storage applications.