ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:250mL Binocular compound microscope spans 40-400X

Binocular compound microscope spans 40-400X with achromat objectives and a mechanical stage for introductory biology and histology coursework

Sulfur-convention yellow two-hole atoms in a 10-pack at 2

Standard Bunsen burner runs on liquid propane gas for everyday flame heating

Used as the standard 1-kilohm load in introductory voltage-divider work

ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:250mL Binocular compound microscope spans 40-400XASTM compliant Class A tolerance paired with a ground glass stopper and high contrast white graduations supports precision dilution where regulatory traceability matters.