5-Pack Hexagonal ABS Graduated Cylinder Protectors, 1000mL Lab Equipment and Supplies Used as a sensitive direction-finder

Used as a sensitive direction-finder when paired with a tangent-compass stand

focal-length determination

Mounted board display shows the central and peripheral nervous system in a single flat view

Polarizing kit attachment converts a standard compound microscope for petrographic

dropping the bulk of the measured potential across the external resistor so the coil sees only its proportional share of the signal

5-Pack Hexagonal ABS Graduated Cylinder Protectors, 1000mL Lab Equipment and Supplies Used as a sensitive direction-finderPack of 5 hexagonal ABS graduated cylinder protectors fits 1000mL cylinders for impact resistance during laboratory handling and storage.