US$ 39.95
Slotted with a central well on each glass
Used to test how mass per length controls pitch
covering refraction shapes for a complete optics lab kit
carbon canister and purge valve
providing a stable heating platform for introductory chemistry and general science classroom work
Brass-Plated Scale Pan with Cording, 107mm Diameter prop65 Slotted with a central wellFor classroom weighing experiments on beam balances, this brass plated scale pan measures 107 mm across and 0. 38 inches deep, suspended from 37. 5 inches of cording.
US$ 39.95
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