100-Case Tryptic Soy Broth Tubes, 9mL Glassware_Glass Burettes Eleven-ohm 5A air-cooled rheostat with

Eleven-ohm 5A air-cooled rheostat with constantan winding on a 300x44mm vitreous-enameled steel tube and a slide-bar carriage carrying a phosphor-bronze contact

Filter flask in borosilicate glass holds 500mL for vacuum filtration and chemistry separation procedures with side arm connection

3-piece Erlenmeyer flask set includes narrow-neck borosilicate glass flasks in 50mL

and attachment structures for parasitology and helminth biology teaching

100-Case Tryptic Soy Broth Tubes, 9mL Glassware_Glass Burettes Eleven-ohm 5A air-cooled rheostat withHundred tube case of 9mL tryptic soy broth in screw cap culture tubes, the liquid medium counterpart to the 100 case TSA slants for selective aerobe and facultative anaerobe culture work.