Erlenmeyer Flask, 1000mL - Narrow Neck - Borosilicate Glass Capacity_250mL providing a stable burner on

providing a stable burner on classroom benches while controlling flame type through a collar

Millimeter-graduated 15cm Hooke's-Law scale on a 30cm support rod

9-inch sun and eight movable planets

this eight-fork steel set lets students hear and measure frequency

Erlenmeyer Flask, 1000mL - Narrow Neck - Borosilicate Glass Capacity_250mL providing a stable burner on1000mL CAPACITY Single Erlenmeyer Flasks with 1000mL capacity and easy to read white enamel graduations every 200mL INDUSTRIAL QUALITY Made of high quality, heavy duty, borosilicate 3. 3 glass with excellent strength against breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks SUPERIOR DURABILITY Features uniform wall thickness ideal for heating and a reinforced rim for