Straight Pattern Glass Key Stopcock, Borosilicate Glass Item Type_Respirometer Economy two-kilogram plastic balance with

Economy two-kilogram plastic balance with removable pans

deliberately using non-standard graduations to build empirical reasoning

Simulator Modules Available Separately:

Plug-to-clip 12-inch red insulated lead with a 4mm banana plug at one end and an alligator clip at the other

Precision-machined ten-piece solid brass slotted mass set totaling 1100 grams from 10 to 500 gram pieces

Straight Pattern Glass Key Stopcock, Borosilicate Glass Item Type_Respirometer Economy two-kilogram plastic balance withStraight pattern glass key stopcock in borosilicate glass provides controlled flow for burettes and chemistry apparatus assemblies.