Pendulum Set on Stand Subject_Earth Science supplied in a protective case

supplied in a protective case so spare leaves stay flat and undamaged until installation

and lead with densities from 2

For measuring specific gravity of battery electrolyte and assessing state of charge

the entry-level shrouded-wiper unit in the family

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

Pendulum Set on Stand Subject_Earth Science supplied in a protective caseThree bob pendulum stand mounting iron, steel, and wood bobs on separate strings to a 42. 75 inch rod, for side by side period versus mass comparisons across three materials.