Erlenmeyer Flask, 25mL - Narrow Neck - Borosilicate Glass Safety Supplies_Gloves Meter-stick optical bench fitted with

Meter-stick optical bench fitted with two supports

and eroded slopes with each feature labeled

and a pulley for introducing momentum

5-inch optical lens set with three double-convex and three double-concave lenses at 200mm

Erlenmeyer Flask, 25mL - Narrow Neck - Borosilicate Glass Safety Supplies_Gloves Meter-stick optical bench fitted with25mL CAPACITY Single Erlenmeyer Flasks with 25mL capacity and easy to read white enamel graduations every 12. 5mL 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 protection