agar plate aspirator autoclave bacteria boiling tube bunsen burner burette calorimeter chemostat class ii cabinet cold finger colorimeter conical measure crucible cuvette erlenmeyer flask eudiometer fleaker florence flask fume hood gas syringe glass tube graduated cylinder growth medium homogenizer hot air oven laboratory centrifuge laboratory flask laboratory glassware laminar flow cabinet magnetic stirrer microbiology microorganism microscope microtiter plate nmr tube petri dish picotiter plate pipette plate reader pycnometer replica plating retort round-bottom flask schlenk flask soxhlet extractor spectrophotometry static mixer stir bar test tube thermometer thiele tube thistle tube viral plaque volumetric flask vortex mixer wash bottle watch glass